40=-2(m+7)+m

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Solution for 40=-2(m+7)+m equation: 


Simplifying
40 = -2(m + 7) + m

Reorder the terms:
40 = -2(7 + m) + m
40 = (7 * -2 + m * -2) + m
40 = (-14 + -2m) + m

Combine like terms: -2m + m = -1m
40 = -14 + -1m

Solving
40 = -14 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
40 + m = -14 + -1m + m

Combine like terms: -1m + m = 0
40 + m = -14 + 0
40 + m = -14

Add '-40' to each side of the equation.
40 + -40 + m = -14 + -40

Combine like terms: 40 + -40 = 0
0 + m = -14 + -40
m = -14 + -40

Combine like terms: -14 + -40 = -54
m = -54

Simplifying
m = -54

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