3m+20=7m-2

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Solution for 3m+20=7m-2 equation:


Simplifying
3m + 20 = 7m + -2

Reorder the terms:
20 + 3m = 7m + -2

Reorder the terms:
20 + 3m = -2 + 7m

Solving
20 + 3m = -2 + 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.
20 + 3m + -7m = -2 + 7m + -7m

Combine like terms: 3m + -7m = -4m
20 + -4m = -2 + 7m + -7m

Combine like terms: 7m + -7m = 0
20 + -4m = -2 + 0
20 + -4m = -2

Add '-20' to each side of the equation.
20 + -20 + -4m = -2 + -20

Combine like terms: 20 + -20 = 0
0 + -4m = -2 + -20
-4m = -2 + -20

Combine like terms: -2 + -20 = -22
-4m = -22

Divide each side by '-4'.
m = 5.5

Simplifying
m = 5.5

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