8m+5=7m-21

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Solution for 8m+5=7m-21 equation:


Simplifying
8m + 5 = 7m + -21

Reorder the terms:
5 + 8m = 7m + -21

Reorder the terms:
5 + 8m = -21 + 7m

Solving
5 + 8m = -21 + 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
5 + 8m + -7m = -21 + 7m + -7m

Combine like terms: 8m + -7m = 1m
5 + 1m = -21 + 7m + -7m

Combine like terms: 7m + -7m = 0
5 + 1m = -21 + 0
5 + 1m = -21

Add '-5' to each side of the equation.
5 + -5 + 1m = -21 + -5

Combine like terms: 5 + -5 = 0
0 + 1m = -21 + -5
1m = -21 + -5

Combine like terms: -21 + -5 = -26
1m = -26

Divide each side by '1'.
m = -26

Simplifying
m = -26

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