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

Question

asked Oct 4, 2021 25.8k views

2 Answers

Antoine Van Gelder · Answer 1 · 2021-10-10T15:08:19+0000

Answer:

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