-90=-m+8(-7m+3)

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Solution for -90=-m+8(-7m+3) equation:


Simplifying
-90 = -1m + 8(-7m + 3)

Reorder the terms:
-90 = -1m + 8(3 + -7m)
-90 = -1m + (3 * 8 + -7m * 8)
-90 = -1m + (24 + -56m)

Reorder the terms:
-90 = 24 + -1m + -56m

Combine like terms: -1m + -56m = -57m
-90 = 24 + -57m

Solving
-90 = 24 + -57m

Solving for variable 'm'.

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

Add '57m' to each side of the equation.
-90 + 57m = 24 + -57m + 57m

Combine like terms: -57m + 57m = 0
-90 + 57m = 24 + 0
-90 + 57m = 24

Add '90' to each side of the equation.
-90 + 90 + 57m = 24 + 90

Combine like terms: -90 + 90 = 0
0 + 57m = 24 + 90
57m = 24 + 90

Combine like terms: 24 + 90 = 114
57m = 114

Divide each side by '57'.
m = 2

Simplifying
m = 2

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