1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bad White [126]
3 years ago
15

What is -5x -10=10 ?

Mathematics
1 answer:
Alika [10]3 years ago
4 0

Answer:  " x = - 4 " .

____________

Step-by-step explanation:

____________

Method 1):

____________

Given:

" -5x − 10 = 10 " ;  Solve for "x" ;

____________

Add "10" to Each Side of the equation:

____________

-5x − 10 + 10 = 10 + 10 ;

____________

to get:

____________

-5x = 20 ;

____________

Now, divide Each side of the equation by " -5 " ;

 to isolate "x" on one side of the equation;

  & to solve for "x" :

_____________

 -5x / -5 = 20/ -5 ;

____________

to get:

 " x = - 4 " .

____________

Method 2):

____________

Given:

" -5x − 10 = 10 " ;  Solve for "x" ;

____________

Multiply each side of the equation by "-1" ; to get rid of the "negative value" of the "coefficient of "x" :

____________

-1 *{-5x − 10} = 10*{-1} " ;  

____________

to get:

____________

[-1*-5x] − [-1*10] = -10 ;

to get:

 5x − (-10) = -10 ;

to get:

  5x + 10 = -10 ;

____________

Subtract "10" from Each Side of the equation:

____________

  5x + 10 − 10 =  -10 − 10 ;

to get:

  5x = -20 ;

____________

Now, divide each side of the equation by "5" ;

to isolate "x" on one side of the equation;

and to solve for "x" ;

____________

  5x / 5 = -20 / 5 ;

____________

to get:

  " x = - 4 " .

___________

Method 3):

___________

Given:

" -5x − 10 = 10 " ;  Solve for "x" ;

____________

Divide Each Side of the equation by: "-5" ;

____________

" \frac{-5x-10}{-5} = \frac{10}{-5} " ;

____________

Simplify to:

" \frac{-5x}{-5} - \frac{10}{-5} = \frac{10}{-5} " ;

Simplify to:

" x − (-2)  =  - 2 " ;

Simplify to:

" x + 2 = - 2 " ;

____________

Now, subtract "2" from Each Side of the equation;

to isolate "x" on one side of the equation;

and to solve for "x":

____________

 " x + 2 − 2 = - 2 − 2 " ;

____________

to get:

 " x = - 4 " .

___________

Hope these explanations are helpful to you!

 Wishing you the best!

____________

You might be interested in
Could you answer the circled one for me because I got it wrong and I'm struggling. thanks
kompoz [17]
The answer should be 384.
Sorry if it's wrong.
6 0
3 years ago
If i had a kid on october 6th and another 12 months later how old would the first kid be
zepelin [54]

Answer:

3 months old

Step-by-step explanation:

9 months for birth

and then the other 3 months is the age.

5 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!!
SpyIntel [72]

Answer:

bc = 5.8cm , A and B are :

Step-by-step explanation:

5²+3²

25+9

√(34

=5.8cm

A and B=( 180°-90°):2=45°

5 0
3 years ago
I need help is it A B C or D hopefully a pic uploaded
Maurinko [17]
The answer i came up with is A.
3 0
3 years ago
Which of the following sjows the correct key features of the graph?
sammy [17]

Answer:

Step-by-step explanation:

y = x^2 - x - 2 is a quadratic function.  It's easily factorable:  y = (x + 1)(x - 2).  Setting this result equal to zero yields the x-intercepts:  -1 and 2.  This matches the x-intercepts shown on the graph.

The axis of symmetry,  x = -b/(2a), derived from the coefficients 1, -1 and -2 of this particular function, is x = 1/2.  This x = 1/2 is also the x-coordinate of the vertex.  To find the y-coordinate of the vertex, we evaluate y = x^2 - x - 2 at x = 1/2, obtaining:

y = (1/2)^2 - (1/2) - 2, or y = 1/4 - 1/2 - 2, or -2 1/4.  This does not quite agree with the y value (-2) shown in the diagram, but is close.

4 0
3 years ago
Other questions:
  • Hi how are you my name is
    14·2 answers
  • a super market will pay you $5.50 per hour for working on weekends. what isthe fewest number of hours you can work and earn more
    12·1 answer
  • Find the measures of the complement and supplement of an angle with measure 50
    14·1 answer
  • What is the difference between 3246 and 479
    15·2 answers
  • Please help 20 points
    5·1 answer
  • Jill works at the High School. If she travels from her house and does not make any stops, what is the shortest distance that she
    7·2 answers
  • Her pie plate is 9 inches across. What will the area of her pie be? Use 3.14 for pi.
    6·1 answer
  • At 2:00 pm a biker is traveling due east and is next to the observer. If the biker is traveling at 10 mph does it collide with t
    9·1 answer
  • What is the value of the expression, if p=42?<br> Then whats p+22
    11·2 answers
  • Select all the graphs that are proportional.help me please​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!