Question

Complete the solution of the equation. Find the value of y when x equals -13. -3x+9y=57

Answer 1

y = 2

Explanation:

- 3x + 9y = 57 ← substitute x = - 13 into the equation

- 3(- 13) + 9y = 57

39 + 9y = 57 ( subtract 39 from both sides )

9y = 18 ( divide both sides by 9 )

y = 2