Question

–3(m – 2n – 4) = -9
Given the equation above, what is the value of m – 2n?

Answer 1

m - 2n = 7

Explanation:

-3(m -2n - 4) = -9

Divide both sides by (-3)

m - 2n - 4 = (-9)/(-3)

m - 2n - 4 = 3

Add 4 to both sides.

m - 2n - 4 + 4 = 3 + 4

m - 2n = 7