3+2m=-7

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Solution for 3+2m=-7 equation: 


Simplifying
3 + 2m = -7

Solving
3 + 2m = -7

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + 2m = -7 + -3

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

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

Divide each side by '2'.
m = -5

Simplifying
m = -5

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