Question

(Find the value of y when x equals -4.) 5x + 2y = -20

Answer 1

y = 0

Explanation:

given

5x + 2y = - 20 ← substitute x = - 4 into the equation

5(- 4) + 2y = - 20

- 20 + 2y = - 20 ( add 20 to both sides )

- 20 + 20 + 2y = - 20 + 20 ( simplify both sides )

2y = 0 , then

y = 0