7.5m+3-3.5m=15

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Solution for 7.5m+3-3.5m=15 equation:


Simplifying
7.5m + 3 + -3.5m = 15

Reorder the terms:
3 + 7.5m + -3.5m = 15

Combine like terms: 7.5m + -3.5m = 4m
3 + 4m = 15

Solving
3 + 4m = 15

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 = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 4m = 15 + -3
4m = 15 + -3

Combine like terms: 15 + -3 = 12
4m = 12

Divide each side by '4'.
m = 3

Simplifying
m = 3

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