8+3m=21+2m

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Solution for 8+3m=21+2m equation:


Simplifying
8 + 3m = 21 + 2m

Solving
8 + 3m = 21 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
8 + 3m + -2m = 21 + 2m + -2m

Combine like terms: 3m + -2m = 1m
8 + 1m = 21 + 2m + -2m

Combine like terms: 2m + -2m = 0
8 + 1m = 21 + 0
8 + 1m = 21

Add '-8' to each side of the equation.
8 + -8 + 1m = 21 + -8

Combine like terms: 8 + -8 = 0
0 + 1m = 21 + -8
1m = 21 + -8

Combine like terms: 21 + -8 = 13
1m = 13

Divide each side by '1'.
m = 13

Simplifying
m = 13

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