30-m=20

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Solution for 30-m=20 equation:


Simplifying
30 + -1m = 20

Solving
30 + -1m = 20

Solving for variable 'm'.

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

Add '-30' to each side of the equation.
30 + -30 + -1m = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -1m = 20 + -30
-1m = 20 + -30

Combine like terms: 20 + -30 = -10
-1m = -10

Divide each side by '-1'.
m = 10

Simplifying
m = 10

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