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
Ganezh [65]
3 years ago
6

Consider the equation 5-3(2x - 7) = 12-5(x - 2). Is x = 2 a solution to this equation? Is x = 4 a solution to this equation? Exp

lain your reasoning in each case.
Mathematics
1 answer:
mario62 [17]3 years ago
8 0

Answer:

x=4

Step-by-step explanation:

5-3(2x-7)=5-6x+21=-6x+26

--------------------------------------

12-5(x-2)=12-5x+10=-5x+22

--------------------------------------

-6x+26=-5x+22

-6x-(-5x)=22-26

-6x+5x=-4

-x=-4

x=4

You might be interested in
What are the x-intercepts and the y-intercepts of the graph of 12x−3y=36
nikklg [1K]

Answer:

Step-by-step explanation:

12x −3y=36  ⇔ 3y = 12x - 36

                          y = 4x - 12

y = 0 ⇔ 4x - 12 = 0 ⇔ 4x = 12 ⇔ x = 12/4 = 3

So (0 ; - 12) and (3 ; 0)

4 0
2 years ago
Read 2 more answers
Which ordered pair to be removed so that the resulting graph represents a function?
IgorLugansk [536]
The picture is not working
5 0
4 years ago
Read 2 more answers
Evaluate 50 + 0.5 ×(41 - 32)
Zarrin [17]
To solve this expression, we need to follow the order of operations (BEDMAS)

50+0.5(41-32)
=50+0.5(9)
=50+4.5
=54.5

Your answer is 54.5

7 0
3 years ago
a classroom has a length of 20 feet and a width of 30 feet. The headmaster decided that tiles will look good in that class. if e
iogann1982 [59]
The area of the room must equal the sum of the areas of the tiles...

20*30=n(2*3)

600=6n

n=100

So 100 tiles are needed.
8 0
3 years ago
Read 2 more answers
Find all solutions to the equation.<br><br> cos^2x + 2 cos x + 1 = 0
natali 33 [55]

\bf cos^2(x)+2cos(x)+1=0\implies \stackrel{\textit{let's notice, this is simply }ax^2+bx+c=0}{[cos(x)]^2+2cos(x)+1=0} \\[2em] [cos(x)+1][cos(x)+1]=0 \\\\[-0.35em] ~\dotfill\\\\ cos(x)+1=0\implies cos(x)=-1\implies x=cos^{-1}(-1)\implies \stackrel{\textit{for the range }[0,2\pi ]}{x=\pi } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{all solutions}}{x=\pi +2\pi n~~,~~ n \in \mathbb{Z}}~\hfill

6 0
3 years ago
Other questions:
  • Geometry, help !!!
    10·1 answer
  • Hellpepepeepe meeeee
    14·1 answer
  • HELPPP THIS IS MY LAST QUESTION
    8·1 answer
  • I need help on this question
    7·1 answer
  • Which of the following expressions are equivalent to 7×7×7×7 ? Select all that apply.
    8·1 answer
  • Graph: y - 3 = 1/2 ( x + 2 )
    14·2 answers
  • There are 23 pastries. They need to be shared equally between 7 people. How many pastries does each person get? Write your answe
    6·1 answer
  • There are six more necromancers than there are
    14·1 answer
  • What is the area of the trapezoid
    7·2 answers
  • The triangle below has an exterior angle of 110 degrees. What is the value of angle x?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!