19=4-2m-m+7

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Solution for 19=4-2m-m+7 equation:


Simplifying
19 = 4 + -2m + -1m + 7

Reorder the terms:
19 = 4 + 7 + -2m + -1m

Combine like terms: 4 + 7 = 11
19 = 11 + -2m + -1m

Combine like terms: -2m + -1m = -3m
19 = 11 + -3m

Solving
19 = 11 + -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
19 + 3m = 11 + -3m + 3m

Combine like terms: -3m + 3m = 0
19 + 3m = 11 + 0
19 + 3m = 11

Add '-19' to each side of the equation.
19 + -19 + 3m = 11 + -19

Combine like terms: 19 + -19 = 0
0 + 3m = 11 + -19
3m = 11 + -19

Combine like terms: 11 + -19 = -8
3m = -8

Divide each side by '3'.
m = -2.666666667

Simplifying
m = -2.666666667

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