7(-5m+20)=-20m-20-20

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Solution for 7(-5m+20)=-20m-20-20 equation:


Simplifying
7(-5m + 20) = -20m + -20 + -20

Reorder the terms:
7(20 + -5m) = -20m + -20 + -20
(20 * 7 + -5m * 7) = -20m + -20 + -20
(140 + -35m) = -20m + -20 + -20

Reorder the terms:
140 + -35m = -20 + -20 + -20m

Combine like terms: -20 + -20 = -40
140 + -35m = -40 + -20m

Solving
140 + -35m = -40 + -20m

Solving for variable 'm'.

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

Add '20m' to each side of the equation.
140 + -35m + 20m = -40 + -20m + 20m

Combine like terms: -35m + 20m = -15m
140 + -15m = -40 + -20m + 20m

Combine like terms: -20m + 20m = 0
140 + -15m = -40 + 0
140 + -15m = -40

Add '-140' to each side of the equation.
140 + -140 + -15m = -40 + -140

Combine like terms: 140 + -140 = 0
0 + -15m = -40 + -140
-15m = -40 + -140

Combine like terms: -40 + -140 = -180
-15m = -180

Divide each side by '-15'.
m = 12

Simplifying
m = 12

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