2(8m-8)-(m-1)=-84

Solution for 2(8m-8)-(m-1)=-84 equation:

Simplifying
2(8m + -8) + -1(m + -1) = -84

Reorder the terms:
2(-8 + 8m) + -1(m + -1) = -84
(-8 * 2 + 8m * 2) + -1(m + -1) = -84
(-16 + 16m) + -1(m + -1) = -84

Reorder the terms:
-16 + 16m + -1(-1 + m) = -84
-16 + 16m + (-1 * -1 + m * -1) = -84
-16 + 16m + (1 + -1m) = -84

Reorder the terms:
-16 + 1 + 16m + -1m = -84

Combine like terms: -16 + 1 = -15
-15 + 16m + -1m = -84

Combine like terms: 16m + -1m = 15m
-15 + 15m = -84

Solving
-15 + 15m = -84

Solving for variable 'm'.

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

Add '15' to each side of the equation.
-15 + 15 + 15m = -84 + 15

Combine like terms: -15 + 15 = 0
0 + 15m = -84 + 15
15m = -84 + 15

Combine like terms: -84 + 15 = -69
15m = -69

Divide each side by '15'.
m = -4.6

Simplifying
m = -4.6