-2(m-1)=15

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Solution for -2(m-1)=15 equation: 


Simplifying
-2(m + -1) = 15

Reorder the terms:
-2(-1 + m) = 15
(-1 * -2 + m * -2) = 15
(2 + -2m) = 15

Solving
2 + -2m = 15

Solving for variable 'm'.

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

Add '-2' to each side of the equation.
2 + -2 + -2m = 15 + -2

Combine like terms: 2 + -2 = 0
0 + -2m = 15 + -2
-2m = 15 + -2

Combine like terms: 15 + -2 = 13
-2m = 13

Divide each side by '-2'.
m = -6.5

Simplifying
m = -6.5

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