Question

What is the value of x in the equation 3x - 1/9y = 18, when y = 27?

Answer 1

x=7

Explanation:

Answer 2

x = 7

Explanation:

3x - (1/9)y = 18

*subsitute y as 27, because they are equal to each other*

3x - (1/9)(27) = 18

*multiply and simplify)

3x - (27/9) = 18

*isolate x*

3x - 3 = 18

3x = 21

x = 7