(m+7)(-8)=

Solution for (m+7)(-8)= equation:

Simplifying
(m + 7)(-8) = 0

Reorder the terms:
(7 + m)(-8) = 0

Reorder the terms for easier multiplication:
-8(7 + m) = 0
(7 * -8 + m * -8) = 0
(-56 + -8m) = 0

Solving
-56 + -8m = 0

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '56' to each side of the equation.
-56 + 56 + -8m = 0 + 56

Combine like terms: -56 + 56 = 0
0 + -8m = 0 + 56
-8m = 0 + 56

Combine like terms: 0 + 56 = 56
-8m = 56

Divide each side by '-8'.
m = -7

Simplifying
m = -7