Question

Evaluate the formula: x−2y=5 for when x=−3

Answer 1

x-2y=5 x-3

×=2y-5 =x-3

x=3y=x-3

Answer 2

Explanation:

so, just use x = -3 in the equation.

-3 - 2y = 5

-2y = 8

y = -8/2 = -4

that was the whole thing.