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

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


Simplifying
-7m + -1(m + 4) + -3(7 + -1m) = 0

Reorder the terms:
-7m + -1(4 + m) + -3(7 + -1m) = 0
-7m + (4 * -1 + m * -1) + -3(7 + -1m) = 0
-7m + (-4 + -1m) + -3(7 + -1m) = 0
-7m + -4 + -1m + (7 * -3 + -1m * -3) = 0
-7m + -4 + -1m + (-21 + 3m) = 0

Reorder the terms:
-4 + -21 + -7m + -1m + 3m = 0

Combine like terms: -4 + -21 = -25
-25 + -7m + -1m + 3m = 0

Combine like terms: -7m + -1m = -8m
-25 + -8m + 3m = 0

Combine like terms: -8m + 3m = -5m
-25 + -5m = 0

Solving
-25 + -5m = 0

Solving for variable 'm'.

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

Add '25' to each side of the equation.
-25 + 25 + -5m = 0 + 25

Combine like terms: -25 + 25 = 0
0 + -5m = 0 + 25
-5m = 0 + 25

Combine like terms: 0 + 25 = 25
-5m = 25

Divide each side by '-5'.
m = -5

Simplifying
m = -5

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