28=3m-7m

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Solution for 28=3m-7m equation:


Simplifying
28 = 3m + -7m

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

Solving
28 = -4m

Solving for variable 'm'.

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

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

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

Add '-28' to each side of the equation.
28 + -28 + 4m = 0 + -28

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

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

Divide each side by '4'.
m = -7

Simplifying
m = -7

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