9x-9-x+5=4x+20

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Solution for 9x-9-x+5=4x+20 equation:


Simplifying
9x + -9 + -1x + 5 = 4x + 20

Reorder the terms:
-9 + 5 + 9x + -1x = 4x + 20

Combine like terms: -9 + 5 = -4
-4 + 9x + -1x = 4x + 20

Combine like terms: 9x + -1x = 8x
-4 + 8x = 4x + 20

Reorder the terms:
-4 + 8x = 20 + 4x

Solving
-4 + 8x = 20 + 4x

Solving for variable 'x'.

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

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

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

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

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

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

Combine like terms: 20 + 4 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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