3m+7m-2=28

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Solution for 3m+7m-2=28 equation:


Simplifying
3m + 7m + -2 = 28

Reorder the terms:
-2 + 3m + 7m = 28

Combine like terms: 3m + 7m = 10m
-2 + 10m = 28

Solving
-2 + 10m = 28

Solving for variable 'm'.

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

Add '2' to each side of the equation.
-2 + 2 + 10m = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 10m = 28 + 2
10m = 28 + 2

Combine like terms: 28 + 2 = 30
10m = 30

Divide each side by '10'.
m = 3

Simplifying
m = 3

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