-7(m-20)-12m=-18+3m-18

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Solution for -7(m-20)-12m=-18+3m-18 equation:


Simplifying
-7(m + -20) + -12m = -18 + 3m + -18

Reorder the terms:
-7(-20 + m) + -12m = -18 + 3m + -18
(-20 * -7 + m * -7) + -12m = -18 + 3m + -18
(140 + -7m) + -12m = -18 + 3m + -18

Combine like terms: -7m + -12m = -19m
140 + -19m = -18 + 3m + -18

Reorder the terms:
140 + -19m = -18 + -18 + 3m

Combine like terms: -18 + -18 = -36
140 + -19m = -36 + 3m

Solving
140 + -19m = -36 + 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.
140 + -19m + -3m = -36 + 3m + -3m

Combine like terms: -19m + -3m = -22m
140 + -22m = -36 + 3m + -3m

Combine like terms: 3m + -3m = 0
140 + -22m = -36 + 0
140 + -22m = -36

Add '-140' to each side of the equation.
140 + -140 + -22m = -36 + -140

Combine like terms: 140 + -140 = 0
0 + -22m = -36 + -140
-22m = -36 + -140

Combine like terms: -36 + -140 = -176
-22m = -176

Divide each side by '-22'.
m = 8

Simplifying
m = 8

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