2m-8=5-4(3m+9)

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Solution for 2m-8=5-4(3m+9) equation:


Simplifying
2m + -8 = 5 + -4(3m + 9)

Reorder the terms:
-8 + 2m = 5 + -4(3m + 9)

Reorder the terms:
-8 + 2m = 5 + -4(9 + 3m)
-8 + 2m = 5 + (9 * -4 + 3m * -4)
-8 + 2m = 5 + (-36 + -12m)

Combine like terms: 5 + -36 = -31
-8 + 2m = -31 + -12m

Solving
-8 + 2m = -31 + -12m

Solving for variable 'm'.

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

Add '12m' to each side of the equation.
-8 + 2m + 12m = -31 + -12m + 12m

Combine like terms: 2m + 12m = 14m
-8 + 14m = -31 + -12m + 12m

Combine like terms: -12m + 12m = 0
-8 + 14m = -31 + 0
-8 + 14m = -31

Add '8' to each side of the equation.
-8 + 8 + 14m = -31 + 8

Combine like terms: -8 + 8 = 0
0 + 14m = -31 + 8
14m = -31 + 8

Combine like terms: -31 + 8 = -23
14m = -23

Divide each side by '14'.
m = -1.642857143

Simplifying
m = -1.642857143

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