-8m+19-2(m-1)=7m-(2m-5)-9m+4

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Solution for -8m+19-2(m-1)=7m-(2m-5)-9m+4 equation:


Simplifying
-8m + 19 + -2(m + -1) = 7m + -1(2m + -5) + -9m + 4

Reorder the terms:
-8m + 19 + -2(-1 + m) = 7m + -1(2m + -5) + -9m + 4
-8m + 19 + (-1 * -2 + m * -2) = 7m + -1(2m + -5) + -9m + 4
-8m + 19 + (2 + -2m) = 7m + -1(2m + -5) + -9m + 4

Reorder the terms:
19 + 2 + -8m + -2m = 7m + -1(2m + -5) + -9m + 4

Combine like terms: 19 + 2 = 21
21 + -8m + -2m = 7m + -1(2m + -5) + -9m + 4

Combine like terms: -8m + -2m = -10m
21 + -10m = 7m + -1(2m + -5) + -9m + 4

Reorder the terms:
21 + -10m = 7m + -1(-5 + 2m) + -9m + 4
21 + -10m = 7m + (-5 * -1 + 2m * -1) + -9m + 4
21 + -10m = 7m + (5 + -2m) + -9m + 4

Reorder the terms:
21 + -10m = 5 + 4 + 7m + -2m + -9m

Combine like terms: 5 + 4 = 9
21 + -10m = 9 + 7m + -2m + -9m

Combine like terms: 7m + -2m = 5m
21 + -10m = 9 + 5m + -9m

Combine like terms: 5m + -9m = -4m
21 + -10m = 9 + -4m

Solving
21 + -10m = 9 + -4m

Solving for variable 'm'.

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

Add '4m' to each side of the equation.
21 + -10m + 4m = 9 + -4m + 4m

Combine like terms: -10m + 4m = -6m
21 + -6m = 9 + -4m + 4m

Combine like terms: -4m + 4m = 0
21 + -6m = 9 + 0
21 + -6m = 9

Add '-21' to each side of the equation.
21 + -21 + -6m = 9 + -21

Combine like terms: 21 + -21 = 0
0 + -6m = 9 + -21
-6m = 9 + -21

Combine like terms: 9 + -21 = -12
-6m = -12

Divide each side by '-6'.
m = 2

Simplifying
m = 2

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