3m-20=100

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Solution for 3m-20=100 equation: 


Simplifying
3m + -20 = 100

Reorder the terms:
-20 + 3m = 100

Solving
-20 + 3m = 100

Solving for variable 'm'.

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

Add '20' to each side of the equation.
-20 + 20 + 3m = 100 + 20

Combine like terms: -20 + 20 = 0
0 + 3m = 100 + 20
3m = 100 + 20

Combine like terms: 100 + 20 = 120
3m = 120

Divide each side by '3'.
m = 40

Simplifying
m = 40

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