9x-20=4x

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Solution for 9x-20=4x equation:


Simplifying
9x + -20 = 4x

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

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

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

Combine like terms: 4x + -4x = 0
-20 + 5x = 0

Add '20' to each side of the equation.
-20 + 20 + 5x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 5x = 0 + 20
5x = 0 + 20

Combine like terms: 0 + 20 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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