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
Lynna [10]
3 years ago
12

Solve 6 - x - x = 18​

Mathematics
2 answers:
iragen [17]3 years ago
5 0

\text{Hey there!}

\mathsf{Solve: 6 -x- x=18}

\mathsf{Combine\ your\ like\ terms}\\\mathsf{6 -\bf{x - x}\mathsf{= 18}}\\\mathsf{-x-x=-2x}\\\mathsf{Your\ new\ equation: -2x+6=18}\\\\\mathsf{Do\ the\ OPPOSITE\ symbol\ on\ both\ sides\ of\ the\ equation}\\\mathsf{Addition\ opposite\ symbol\ is\ subtraction}\\\mathsf{Subtract\ by\ 6\ on\ your\ sides}\\\mathsf{-2x+6-6=18-6}\\\mathsf{Cancel\ out{6-6\ because\ it\ gives\ us\ 0}}\\\mathsf{Keep:18-6\ because\ it\ helps\ us\solve\ for\ the\ answer}\\\\\mathsf{Next,\ divide\ both\ sides\ by\ -2}

\mathsf{\dfrac{-2x}{-2}=\dfrac{12}{-2}}\\\\\mathsf{Cancel\ out: \dfrac{-2x}{-2}\  because\ it\ gives\ you\ the\ result\ of 1}\\\\\mathsf{Keep:\dfrac{12}{-2}\ because\ it\ gives\ the\ answer\ of\ x}\\\\\\\boxed{\bf{Answer:\mathsf{x=-6}}}}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}\\\\\frak{LoveYourselfFirst:)}

svet-max [94.6K]3 years ago
3 0

Answer:

 A.   x= -24

Your Welcome :)                                                                                                                

You might be interested in
the axis of symmetry for the graph of the function is f(x) = 1/4x2 bx 10 is x = 6. what is the value of b?
Lady bird [3.3K]

we have

f(x)=\frac{1}{4} x^{2} +bx+10

This is a vertical parabola open upward

The axis of symmetry is equal to the x-coordinate of the vertex

The vertex is the point (h,k)

the equation of the axis of symmetry is x=h

In this problem

x=6

so the x-coordinate of the vertex is h=6

<u>Convert the quadratic equation in vertex form</u>

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)-10=\frac{1}{4} x^{2} +bx

Factor the leading coefficient

f(x)-10=\frac{1}{4}(x^{2} +4bx)

Complete the square. Remember to balance the equation by adding the same constants to each side

f(x)-10+b^{2}=\frac{1}{4}(x^{2} +4bx+4b^{2})

Rewrite as perfect squares

f(x)+(b^{2}-10)=\frac{1}{4}(x+2b)^{2}

f(x)=\frac{1}{4}(x+2b)^{2}-(b^{2}-10)

remember that

h=6

so

(x+2b)=(x-6)

2b=-6

b=-3

substitute in the equation

f(x)=\frac{1}{4}(x-6)^{2}-((-3)^{2}-10)

f(x)=\frac{1}{4}(x-6)^{2}+1

therefore

<u>the answer is</u>

b=-3


8 0
4 years ago
Read 2 more answers
Hoy Many times as great as 10% is 100% answer
Evgesh-ka [11]

Answer: 100% is 10 times as great as 10%

Step-by-step explanation: 10 * 10 = 100 or 100 divided by 10 equals 10. Have a nice day~

3 0
2 years ago
Read 2 more answers
What is the value of the rational expression x^2-2x-3/4x^2-12 when x = 3?
kotykmax [81]

Answer:

b

Step-by-step explanation:

Given

\frac{x^2-2x-3}{4x^2-12}

Substitute x = 3 into the expression

= \frac{3^2-2(3)-3}{4(3)^2-12}

= \frac{9-6-3}{36-12}

= \frac{0}{24} = 0 → b

6 0
4 years ago
G+6&gt;5 solve the inequality please
Gnoma [55]
Subtract 6 from both sides and get g is greater than -1.
4 0
3 years ago
Read 2 more answers
What is 25/30 in simplest form?
Triss [41]
You divide the numbers by 5 so the fraction will be 5/6
5 0
3 years ago
Other questions:
  • -5(s-30) =-10 what is the solution to this equation
    6·1 answer
  • Can someone please help me this question and explain/show your work to get that answer??
    6·1 answer
  • The perimeter of an equilateral triangle is 77 inches more than the perimeter of a​ square, and the side of the triangle is 55 i
    14·1 answer
  • PLEASE HELP ASAP!!!!!!!!!! Pleeease!!!
    10·1 answer
  • Help plz:)))I’ll mark u Brainliest
    10·1 answer
  • Recall the equation for a circle with center ( h , k ) and radius r . At what point in the first quadrant does the line with equ
    5·1 answer
  • Please help I’m stupid
    15·2 answers
  • Mr. Clark traveled 456.4 km in 14 days.
    10·1 answer
  • I need help with this
    11·1 answer
  • Peter hired two combine operators to harvest his 260 acres of wheat. He expected a yield of 50 bushels per acre. The first opera
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!