90=-4m-6(7m+8)

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Solution for 90=-4m-6(7m+8) equation:


Simplifying
90 = -4m + -6(7m + 8)

Reorder the terms:
90 = -4m + -6(8 + 7m)
90 = -4m + (8 * -6 + 7m * -6)
90 = -4m + (-48 + -42m)

Reorder the terms:
90 = -48 + -4m + -42m

Combine like terms: -4m + -42m = -46m
90 = -48 + -46m

Solving
90 = -48 + -46m

Solving for variable 'm'.

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

Add '46m' to each side of the equation.
90 + 46m = -48 + -46m + 46m

Combine like terms: -46m + 46m = 0
90 + 46m = -48 + 0
90 + 46m = -48

Add '-90' to each side of the equation.
90 + -90 + 46m = -48 + -90

Combine like terms: 90 + -90 = 0
0 + 46m = -48 + -90
46m = -48 + -90

Combine like terms: -48 + -90 = -138
46m = -138

Divide each side by '46'.
m = -3

Simplifying
m = -3

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