-9(m+1)=-90

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Solution for -9(m+1)=-90 equation: 


Simplifying
-9(m + 1) = -90

Reorder the terms:
-9(1 + m) = -90
(1 * -9 + m * -9) = -90
(-9 + -9m) = -90

Solving
-9 + -9m = -90

Solving for variable 'm'.

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

Add '9' to each side of the equation.
-9 + 9 + -9m = -90 + 9

Combine like terms: -9 + 9 = 0
0 + -9m = -90 + 9
-9m = -90 + 9

Combine like terms: -90 + 9 = -81
-9m = -81

Divide each side by '-9'.
m = 9

Simplifying
m = 9

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