3.5-12+4m-3.2m=20

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Solution for 3.5-12+4m-3.2m=20 equation:


Simplifying
3.5 + -12 + 4m + -3.2m = 20

Combine like terms: 3.5 + -12 = -8.5
-8.5 + 4m + -3.2m = 20

Combine like terms: 4m + -3.2m = 0.8m
-8.5 + 0.8m = 20

Solving
-8.5 + 0.8m = 20

Solving for variable 'm'.

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

Add '8.5' to each side of the equation.
-8.5 + 8.5 + 0.8m = 20 + 8.5

Combine like terms: -8.5 + 8.5 = 0.0
0.0 + 0.8m = 20 + 8.5
0.8m = 20 + 8.5

Combine like terms: 20 + 8.5 = 28.5
0.8m = 28.5

Divide each side by '0.8'.
m = 35.625

Simplifying
m = 35.625

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