M-3=18.75

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Solution for M-3=18.75 equation: 


Simplifying
M + -3 = 18.75

Reorder the terms:
-3 + M = 18.75

Solving
-3 + M = 18.75

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 + M = 18.75 + 3

Combine like terms: -3 + 3 = 0
0 + M = 18.75 + 3
M = 18.75 + 3

Combine like terms: 18.75 + 3 = 21.75
M = 21.75

Simplifying
M = 21.75

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