-3(5m+4)-3(m-7)=

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Solution for -3(5m+4)-3(m-7)= equation:


Simplifying
-3(5m + 4) + -3(m + -7) = 0

Reorder the terms:
-3(4 + 5m) + -3(m + -7) = 0
(4 * -3 + 5m * -3) + -3(m + -7) = 0
(-12 + -15m) + -3(m + -7) = 0

Reorder the terms:
-12 + -15m + -3(-7 + m) = 0
-12 + -15m + (-7 * -3 + m * -3) = 0
-12 + -15m + (21 + -3m) = 0

Reorder the terms:
-12 + 21 + -15m + -3m = 0

Combine like terms: -12 + 21 = 9
9 + -15m + -3m = 0

Combine like terms: -15m + -3m = -18m
9 + -18m = 0

Solving
9 + -18m = 0

Solving for variable 'm'.

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

Add '-9' to each side of the equation.
9 + -9 + -18m = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -18m = 0 + -9
-18m = 0 + -9

Combine like terms: 0 + -9 = -9
-18m = -9

Divide each side by '-18'.
m = 0.5

Simplifying
m = 0.5

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