9x-13=20x+20

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Solution for 9x-13=20x+20 equation:


Simplifying
9x + -13 = 20x + 20

Reorder the terms:
-13 + 9x = 20x + 20

Reorder the terms:
-13 + 9x = 20 + 20x

Solving
-13 + 9x = 20 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-13 + 9x + -20x = 20 + 20x + -20x

Combine like terms: 9x + -20x = -11x
-13 + -11x = 20 + 20x + -20x

Combine like terms: 20x + -20x = 0
-13 + -11x = 20 + 0
-13 + -11x = 20

Add '13' to each side of the equation.
-13 + 13 + -11x = 20 + 13

Combine like terms: -13 + 13 = 0
0 + -11x = 20 + 13
-11x = 20 + 13

Combine like terms: 20 + 13 = 33
-11x = 33

Divide each side by '-11'.
x = -3

Simplifying
x = -3

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