-3(12m+7)=3(-17m+20)+9

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Solution for -3(12m+7)=3(-17m+20)+9 equation:


Simplifying
-3(12m + 7) = 3(-17m + 20) + 9

Reorder the terms:
-3(7 + 12m) = 3(-17m + 20) + 9
(7 * -3 + 12m * -3) = 3(-17m + 20) + 9
(-21 + -36m) = 3(-17m + 20) + 9

Reorder the terms:
-21 + -36m = 3(20 + -17m) + 9
-21 + -36m = (20 * 3 + -17m * 3) + 9
-21 + -36m = (60 + -51m) + 9

Reorder the terms:
-21 + -36m = 60 + 9 + -51m

Combine like terms: 60 + 9 = 69
-21 + -36m = 69 + -51m

Solving
-21 + -36m = 69 + -51m

Solving for variable 'm'.

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

Add '51m' to each side of the equation.
-21 + -36m + 51m = 69 + -51m + 51m

Combine like terms: -36m + 51m = 15m
-21 + 15m = 69 + -51m + 51m

Combine like terms: -51m + 51m = 0
-21 + 15m = 69 + 0
-21 + 15m = 69

Add '21' to each side of the equation.
-21 + 21 + 15m = 69 + 21

Combine like terms: -21 + 21 = 0
0 + 15m = 69 + 21
15m = 69 + 21

Combine like terms: 69 + 21 = 90
15m = 90

Divide each side by '15'.
m = 6

Simplifying
m = 6

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