-20=-309+x

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Solution for -20=-309+x equation:


Simplifying
-20 = -309 + x

Solving
-20 = -309 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-20 + -1x = -309 + x + -1x

Combine like terms: x + -1x = 0
-20 + -1x = -309 + 0
-20 + -1x = -309

Add '20' to each side of the equation.
-20 + 20 + -1x = -309 + 20

Combine like terms: -20 + 20 = 0
0 + -1x = -309 + 20
-1x = -309 + 20

Combine like terms: -309 + 20 = -289
-1x = -289

Divide each side by '-1'.
x = 289

Simplifying
x = 289

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