3(-6m+7)=-(15m-63)

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Solution for 3(-6m+7)=-(15m-63) equation:


Simplifying
3(-6m + 7) = -1(15m + -63)

Reorder the terms:
3(7 + -6m) = -1(15m + -63)
(7 * 3 + -6m * 3) = -1(15m + -63)
(21 + -18m) = -1(15m + -63)

Reorder the terms:
21 + -18m = -1(-63 + 15m)
21 + -18m = (-63 * -1 + 15m * -1)
21 + -18m = (63 + -15m)

Solving
21 + -18m = 63 + -15m

Solving for variable 'm'.

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

Add '15m' to each side of the equation.
21 + -18m + 15m = 63 + -15m + 15m

Combine like terms: -18m + 15m = -3m
21 + -3m = 63 + -15m + 15m

Combine like terms: -15m + 15m = 0
21 + -3m = 63 + 0
21 + -3m = 63

Add '-21' to each side of the equation.
21 + -21 + -3m = 63 + -21

Combine like terms: 21 + -21 = 0
0 + -3m = 63 + -21
-3m = 63 + -21

Combine like terms: 63 + -21 = 42
-3m = 42

Divide each side by '-3'.
m = -14

Simplifying
m = -14

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