Pls help me out
6x + 12x = 90

x=5

Step-by-step explanation:

6x+12x=90

18x=90

x=90/18

x=5

x =5

Step-by-step explanation:

To solve for x:

1: add like-terms

          6x+ 12x = 90

Now it is:  18x =90

2: use division on both sides to solve for the variable

           18x= 90

           18x/18 = 90/18

              x = 5

true

step-by-step explanation:

the function makes a strait line horizontally with no x intercept but a y intercept at 9.