-3(-6m-7)+4(-4m-7)=-3

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Solution for -3(-6m-7)+4(-4m-7)=-3 equation:


Simplifying
-3(-6m + -7) + 4(-4m + -7) = -3

Reorder the terms:
-3(-7 + -6m) + 4(-4m + -7) = -3
(-7 * -3 + -6m * -3) + 4(-4m + -7) = -3
(21 + 18m) + 4(-4m + -7) = -3

Reorder the terms:
21 + 18m + 4(-7 + -4m) = -3
21 + 18m + (-7 * 4 + -4m * 4) = -3
21 + 18m + (-28 + -16m) = -3

Reorder the terms:
21 + -28 + 18m + -16m = -3

Combine like terms: 21 + -28 = -7
-7 + 18m + -16m = -3

Combine like terms: 18m + -16m = 2m
-7 + 2m = -3

Solving
-7 + 2m = -3

Solving for variable 'm'.

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

Add '7' to each side of the equation.
-7 + 7 + 2m = -3 + 7

Combine like terms: -7 + 7 = 0
0 + 2m = -3 + 7
2m = -3 + 7

Combine like terms: -3 + 7 = 4
2m = 4

Divide each side by '2'.
m = 2

Simplifying
m = 2

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