M+45+20=80

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Solution for M+45+20=80 equation: 


Simplifying
M + 45 + 20 = 80

Reorder the terms:
45 + 20 + M = 80

Combine like terms: 45 + 20 = 65
65 + M = 80

Solving
65 + M = 80

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 + M = 80 + -65

Combine like terms: 65 + -65 = 0
0 + M = 80 + -65
M = 80 + -65

Combine like terms: 80 + -65 = 15
M = 15

Simplifying
M = 15

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