-21-7m=-14

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Solution for -21-7m=-14 equation: 


Simplifying
-21 + -7m = -14

Solving
-21 + -7m = -14

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + -7m = -14 + 21

Combine like terms: -21 + 21 = 0
0 + -7m = -14 + 21
-7m = -14 + 21

Combine like terms: -14 + 21 = 7
-7m = 7

Divide each side by '-7'.
m = -1

Simplifying
m = -1

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