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

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Solution for 3m+7+3(3m-4)-4(4m+4)=0 equation:


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

Reorder the terms:
3m + 7 + 3(-4 + 3m) + -4(4m + 4) = 0
3m + 7 + (-4 * 3 + 3m * 3) + -4(4m + 4) = 0
3m + 7 + (-12 + 9m) + -4(4m + 4) = 0

Reorder the terms:
3m + 7 + -12 + 9m + -4(4 + 4m) = 0
3m + 7 + -12 + 9m + (4 * -4 + 4m * -4) = 0
3m + 7 + -12 + 9m + (-16 + -16m) = 0

Reorder the terms:
7 + -12 + -16 + 3m + 9m + -16m = 0

Combine like terms: 7 + -12 = -5
-5 + -16 + 3m + 9m + -16m = 0

Combine like terms: -5 + -16 = -21
-21 + 3m + 9m + -16m = 0

Combine like terms: 3m + 9m = 12m
-21 + 12m + -16m = 0

Combine like terms: 12m + -16m = -4m
-21 + -4m = 0

Solving
-21 + -4m = 0

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + -4m = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -4m = 0 + 21
-4m = 0 + 21

Combine like terms: 0 + 21 = 21
-4m = 21

Divide each side by '-4'.
m = -5.25

Simplifying
m = -5.25

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