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

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


Simplifying
-6(3m + 7) + 3(m + -7) = 0

Reorder the terms:
-6(7 + 3m) + 3(m + -7) = 0
(7 * -6 + 3m * -6) + 3(m + -7) = 0
(-42 + -18m) + 3(m + -7) = 0

Reorder the terms:
-42 + -18m + 3(-7 + m) = 0
-42 + -18m + (-7 * 3 + m * 3) = 0
-42 + -18m + (-21 + 3m) = 0

Reorder the terms:
-42 + -21 + -18m + 3m = 0

Combine like terms: -42 + -21 = -63
-63 + -18m + 3m = 0

Combine like terms: -18m + 3m = -15m
-63 + -15m = 0

Solving
-63 + -15m = 0

Solving for variable 'm'.

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

Add '63' to each side of the equation.
-63 + 63 + -15m = 0 + 63

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

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

Divide each side by '-15'.
m = -4.2

Simplifying
m = -4.2

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