7=-4(2m+3)-7(1-3m)

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Solution for 7=-4(2m+3)-7(1-3m) equation:


Simplifying
7 = -4(2m + 3) + -7(1 + -3m)

Reorder the terms:
7 = -4(3 + 2m) + -7(1 + -3m)
7 = (3 * -4 + 2m * -4) + -7(1 + -3m)
7 = (-12 + -8m) + -7(1 + -3m)
7 = -12 + -8m + (1 * -7 + -3m * -7)
7 = -12 + -8m + (-7 + 21m)

Reorder the terms:
7 = -12 + -7 + -8m + 21m

Combine like terms: -12 + -7 = -19
7 = -19 + -8m + 21m

Combine like terms: -8m + 21m = 13m
7 = -19 + 13m

Solving
7 = -19 + 13m

Solving for variable 'm'.

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

Add '-13m' to each side of the equation.
7 + -13m = -19 + 13m + -13m

Combine like terms: 13m + -13m = 0
7 + -13m = -19 + 0
7 + -13m = -19

Add '-7' to each side of the equation.
7 + -7 + -13m = -19 + -7

Combine like terms: 7 + -7 = 0
0 + -13m = -19 + -7
-13m = -19 + -7

Combine like terms: -19 + -7 = -26
-13m = -26

Divide each side by '-13'.
m = 2

Simplifying
m = 2

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