-2m+21-9(m-3)=6m-(3m-5)-7m+8

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Solution for -2m+21-9(m-3)=6m-(3m-5)-7m+8 equation:


Simplifying
-2m + 21 + -9(m + -3) = 6m + -1(3m + -5) + -7m + 8

Reorder the terms:
-2m + 21 + -9(-3 + m) = 6m + -1(3m + -5) + -7m + 8
-2m + 21 + (-3 * -9 + m * -9) = 6m + -1(3m + -5) + -7m + 8
-2m + 21 + (27 + -9m) = 6m + -1(3m + -5) + -7m + 8

Reorder the terms:
21 + 27 + -2m + -9m = 6m + -1(3m + -5) + -7m + 8

Combine like terms: 21 + 27 = 48
48 + -2m + -9m = 6m + -1(3m + -5) + -7m + 8

Combine like terms: -2m + -9m = -11m
48 + -11m = 6m + -1(3m + -5) + -7m + 8

Reorder the terms:
48 + -11m = 6m + -1(-5 + 3m) + -7m + 8
48 + -11m = 6m + (-5 * -1 + 3m * -1) + -7m + 8
48 + -11m = 6m + (5 + -3m) + -7m + 8

Reorder the terms:
48 + -11m = 5 + 8 + 6m + -3m + -7m

Combine like terms: 5 + 8 = 13
48 + -11m = 13 + 6m + -3m + -7m

Combine like terms: 6m + -3m = 3m
48 + -11m = 13 + 3m + -7m

Combine like terms: 3m + -7m = -4m
48 + -11m = 13 + -4m

Solving
48 + -11m = 13 + -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.
48 + -11m + 4m = 13 + -4m + 4m

Combine like terms: -11m + 4m = -7m
48 + -7m = 13 + -4m + 4m

Combine like terms: -4m + 4m = 0
48 + -7m = 13 + 0
48 + -7m = 13

Add '-48' to each side of the equation.
48 + -48 + -7m = 13 + -48

Combine like terms: 48 + -48 = 0
0 + -7m = 13 + -48
-7m = 13 + -48

Combine like terms: 13 + -48 = -35
-7m = -35

Divide each side by '-7'.
m = 5

Simplifying
m = 5

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