1-7m-3=12

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Solution for 1-7m-3=12 equation:


Simplifying
1 + -7m + -3 = 12

Reorder the terms:
1 + -3 + -7m = 12

Combine like terms: 1 + -3 = -2
-2 + -7m = 12

Solving
-2 + -7m = 12

Solving for variable 'm'.

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

Add '2' to each side of the equation.
-2 + 2 + -7m = 12 + 2

Combine like terms: -2 + 2 = 0
0 + -7m = 12 + 2
-7m = 12 + 2

Combine like terms: 12 + 2 = 14
-7m = 14

Divide each side by '-7'.
m = -2

Simplifying
m = -2

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