Question

Someone help me please!

Answer 1

Answer:

Ok: X = 9

Step-by-step explanation:

We have

3x + (15x + 18) = 180

or

18x+18 = 180

or

18(x+1) = 180

or

x + 1  = 180/18

or

x + 1 = 10

or x = 9.

Answer 2

Answer:

9

Step-by-step explanation:

3x+15x+18=180

-18.             -18

3x+15x=162

18x=162

/18.    /18

x=9