9 ( x + 4 ) = 63
Solving 2 step equations

x=3

9(x+4)=63  

9(x+4)=63

(9)(x)+(9)(4)=63

9x+36=63  

9x+36−36=63−36

9x=27

9x/9 = 27/9 = 3

Hope this helps

The answers is x=3

Step-by-step explanation:

Divide both sides by the numeric factor on the left side then solve.

Hope this helps.

May i please have a brainless Thank you.

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

12cm

the answer is d