3+m=2m-7

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


Simplifying
3 + m = 2m + -7

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

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

Combine like terms: m + -2m = -1m
3 + -1m = -7 + 2m + -2m

Combine like terms: 2m + -2m = 0
3 + -1m = -7 + 0
3 + -1m = -7

Add '-3' to each side of the equation.
3 + -3 + -1m = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -1m = -7 + -3
-1m = -7 + -3

Combine like terms: -7 + -3 = -10
-1m = -10

Divide each side by '-1'.
m = 10

Simplifying
m = 10

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