Question

What is the value of y when x = 6?

-3x + 9y = 18

Answer 1

y = 6

Explanation:

-3x + 9y = 18

-3(6) +6y = 18

-18 +6y = 18

Add 18 to each side

-18+18 +6y =18+18

6y = 36

Divide each side by 6

6y/6 = 36/6

y = 6