-1-m+300=20

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Solution for -1-m+300=20 equation:


Simplifying
-1 + -1m + 300 = 20

Reorder the terms:
-1 + 300 + -1m = 20

Combine like terms: -1 + 300 = 299
299 + -1m = 20

Solving
299 + -1m = 20

Solving for variable 'm'.

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

Add '-299' to each side of the equation.
299 + -299 + -1m = 20 + -299

Combine like terms: 299 + -299 = 0
0 + -1m = 20 + -299
-1m = 20 + -299

Combine like terms: 20 + -299 = -279
-1m = -279

Divide each side by '-1'.
m = 279

Simplifying
m = 279

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