x-20=9x-4

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Solution for x-20=9x-4 equation:


Simplifying
x + -20 = 9x + -4

Reorder the terms:
-20 + x = 9x + -4

Reorder the terms:
-20 + x = -4 + 9x

Solving
-20 + x = -4 + 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 + x + -9x = -4 + 9x + -9x

Combine like terms: x + -9x = -8x
-20 + -8x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
-20 + -8x = -4 + 0
-20 + -8x = -4

Add '20' to each side of the equation.
-20 + 20 + -8x = -4 + 20

Combine like terms: -20 + 20 = 0
0 + -8x = -4 + 20
-8x = -4 + 20

Combine like terms: -4 + 20 = 16
-8x = 16

Divide each side by '-8'.
x = -2

Simplifying
x = -2

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