-2m-4-8=-20

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Solution for -2m-4-8=-20 equation:


Simplifying
-2m + -4 + -8 = -20

Reorder the terms:
-4 + -8 + -2m = -20

Combine like terms: -4 + -8 = -12
-12 + -2m = -20

Solving
-12 + -2m = -20

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + -2m = -20 + 12

Combine like terms: -12 + 12 = 0
0 + -2m = -20 + 12
-2m = -20 + 12

Combine like terms: -20 + 12 = -8
-2m = -8

Divide each side by '-2'.
m = 4

Simplifying
m = 4

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