20-m=11

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Solution for 20-m=11 equation:


Simplifying
20 + -1m = 11

Solving
20 + -1m = 11

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 + -1m = 11 + -20

Combine like terms: 20 + -20 = 0
0 + -1m = 11 + -20
-1m = 11 + -20

Combine like terms: 11 + -20 = -9
-1m = -9

Divide each side by '-1'.
m = 9

Simplifying
m = 9

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