13=2m+12-19

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Solution for 13=2m+12-19 equation:


Simplifying
13 = 2m + 12 + -19

Reorder the terms:
13 = 12 + -19 + 2m

Combine like terms: 12 + -19 = -7
13 = -7 + 2m

Solving
13 = -7 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
13 + -2m = -7 + 2m + -2m

Combine like terms: 2m + -2m = 0
13 + -2m = -7 + 0
13 + -2m = -7

Add '-13' to each side of the equation.
13 + -13 + -2m = -7 + -13

Combine like terms: 13 + -13 = 0
0 + -2m = -7 + -13
-2m = -7 + -13

Combine like terms: -7 + -13 = -20
-2m = -20

Divide each side by '-2'.
m = 10

Simplifying
m = 10

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