7-x-20=

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Solution for 7-x-20= equation:


Simplifying
7 + -1x + -20 = 0

Reorder the terms:
7 + -20 + -1x = 0

Combine like terms: 7 + -20 = -13
-13 + -1x = 0

Solving
-13 + -1x = 0

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + -1x = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -1x = 0 + 13
-1x = 0 + 13

Combine like terms: 0 + 13 = 13
-1x = 13

Divide each side by '-1'.
x = -13

Simplifying
x = -13

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