7m-20-m-45=-4+55

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Solution for 7m-20-m-45=-4+55 equation:


Simplifying
7m + -20 + -1m + -45 = -4 + 55

Reorder the terms:
-20 + -45 + 7m + -1m = -4 + 55

Combine like terms: -20 + -45 = -65
-65 + 7m + -1m = -4 + 55

Combine like terms: 7m + -1m = 6m
-65 + 6m = -4 + 55

Combine like terms: -4 + 55 = 51
-65 + 6m = 51

Solving
-65 + 6m = 51

Solving for variable 'm'.

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

Add '65' to each side of the equation.
-65 + 65 + 6m = 51 + 65

Combine like terms: -65 + 65 = 0
0 + 6m = 51 + 65
6m = 51 + 65

Combine like terms: 51 + 65 = 116
6m = 116

Divide each side by '6'.
m = 19.33333333

Simplifying
m = 19.33333333

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