(3-m)=-7

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Solution for (3-m)=-7 equation: 


Simplifying
(3 + -1m) = -7

Remove parenthesis around (3 + -1m)
3 + -1m = -7

Solving
3 + -1m = -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 + -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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