-x-20=9x-10

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Solution for -x-20=9x-10 equation:


Simplifying
-1x + -20 = 9x + -10

Reorder the terms:
-20 + -1x = 9x + -10

Reorder the terms:
-20 + -1x = -10 + 9x

Solving
-20 + -1x = -10 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-20 + -1x + -9x = -10 + 9x + -9x

Combine like terms: -1x + -9x = -10x
-20 + -10x = -10 + 9x + -9x

Combine like terms: 9x + -9x = 0
-20 + -10x = -10 + 0
-20 + -10x = -10

Add '20' to each side of the equation.
-20 + 20 + -10x = -10 + 20

Combine like terms: -20 + 20 = 0
0 + -10x = -10 + 20
-10x = -10 + 20

Combine like terms: -10 + 20 = 10
-10x = 10

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

Simplifying
x = -1

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