-9(7+m)=-153

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Solution for -9(7+m)=-153 equation: 


Simplifying
-9(7 + m) = -153
(7 * -9 + m * -9) = -153
(-63 + -9m) = -153

Solving
-63 + -9m = -153

Solving for variable 'm'.

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

Add '63' to each side of the equation.
-63 + 63 + -9m = -153 + 63

Combine like terms: -63 + 63 = 0
0 + -9m = -153 + 63
-9m = -153 + 63

Combine like terms: -153 + 63 = -90
-9m = -90

Divide each side by '-9'.
m = 10

Simplifying
m = 10

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