2(5m-4)=21-3m

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Solution for 2(5m-4)=21-3m equation:


Simplifying
2(5m + -4) = 21 + -3m

Reorder the terms:
2(-4 + 5m) = 21 + -3m
(-4 * 2 + 5m * 2) = 21 + -3m
(-8 + 10m) = 21 + -3m

Solving
-8 + 10m = 21 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
-8 + 10m + 3m = 21 + -3m + 3m

Combine like terms: 10m + 3m = 13m
-8 + 13m = 21 + -3m + 3m

Combine like terms: -3m + 3m = 0
-8 + 13m = 21 + 0
-8 + 13m = 21

Add '8' to each side of the equation.
-8 + 8 + 13m = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 13m = 21 + 8
13m = 21 + 8

Combine like terms: 21 + 8 = 29
13m = 29

Divide each side by '13'.
m = 2.230769231

Simplifying
m = 2.230769231

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