8m+7-4m-3=-28

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Solution for 8m+7-4m-3=-28 equation: 


Simplifying
8m + 7 + -4m + -3 = -28

Reorder the terms:
7 + -3 + 8m + -4m = -28

Combine like terms: 7 + -3 = 4
4 + 8m + -4m = -28

Combine like terms: 8m + -4m = 4m
4 + 4m = -28

Solving
4 + 4m = -28

Solving for variable 'm'.

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

Add '-4' to each side of the equation.
4 + -4 + 4m = -28 + -4

Combine like terms: 4 + -4 = 0
0 + 4m = -28 + -4
4m = -28 + -4

Combine like terms: -28 + -4 = -32
4m = -32

Divide each side by '4'.
m = -8

Simplifying
m = -8

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