-4(1-4m)+7(m-1)=-80

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Solution for -4(1-4m)+7(m-1)=-80 equation: 


Simplifying
-4(1 + -4m) + 7(m + -1) = -80
(1 * -4 + -4m * -4) + 7(m + -1) = -80
(-4 + 16m) + 7(m + -1) = -80

Reorder the terms:
-4 + 16m + 7(-1 + m) = -80
-4 + 16m + (-1 * 7 + m * 7) = -80
-4 + 16m + (-7 + 7m) = -80

Reorder the terms:
-4 + -7 + 16m + 7m = -80

Combine like terms: -4 + -7 = -11
-11 + 16m + 7m = -80

Combine like terms: 16m + 7m = 23m
-11 + 23m = -80

Solving
-11 + 23m = -80

Solving for variable 'm'.

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

Add '11' to each side of the equation.
-11 + 11 + 23m = -80 + 11

Combine like terms: -11 + 11 = 0
0 + 23m = -80 + 11
23m = -80 + 11

Combine like terms: -80 + 11 = -69
23m = -69

Divide each side by '23'.
m = -3

Simplifying
m = -3

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