15=7-4m

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Solution for 15=7-4m equation:


Simplifying
15 = 7 + -4m

Solving
15 = 7 + -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.
15 + 4m = 7 + -4m + 4m

Combine like terms: -4m + 4m = 0
15 + 4m = 7 + 0
15 + 4m = 7

Add '-15' to each side of the equation.
15 + -15 + 4m = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 4m = 7 + -15
4m = 7 + -15

Combine like terms: 7 + -15 = -8
4m = -8

Divide each side by '4'.
m = -2

Simplifying
m = -2

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