m+4(5-m)=-7

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Solution for m+4(5-m)=-7 equation: 


Simplifying
m + 4(5 + -1m) = -7
m + (5 * 4 + -1m * 4) = -7
m + (20 + -4m) = -7

Reorder the terms:
20 + m + -4m = -7

Combine like terms: m + -4m = -3m
20 + -3m = -7

Solving
20 + -3m = -7

Solving for variable 'm'.

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

Add '-20' to each side of the equation.
20 + -20 + -3m = -7 + -20

Combine like terms: 20 + -20 = 0
0 + -3m = -7 + -20
-3m = -7 + -20

Combine like terms: -7 + -20 = -27
-3m = -27

Divide each side by '-3'.
m = 9

Simplifying
m = 9

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