5m-(2m-3)-7m=9

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Solution for 5m-(2m-3)-7m=9 equation:


Simplifying
5m + -1(2m + -3) + -7m = 9

Reorder the terms:
5m + -1(-3 + 2m) + -7m = 9
5m + (-3 * -1 + 2m * -1) + -7m = 9
5m + (3 + -2m) + -7m = 9

Reorder the terms:
3 + 5m + -2m + -7m = 9

Combine like terms: 5m + -2m = 3m
3 + 3m + -7m = 9

Combine like terms: 3m + -7m = -4m
3 + -4m = 9

Solving
3 + -4m = 9

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + -4m = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -4m = 9 + -3
-4m = 9 + -3

Combine like terms: 9 + -3 = 6
-4m = 6

Divide each side by '-4'.
m = -1.5

Simplifying
m = -1.5

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