9x-20=4(x-5)

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Solution for 9x-20=4(x-5) equation:


Simplifying
9x + -20 = 4(x + -5)

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

Reorder the terms:
-20 + 9x = 4(-5 + x)
-20 + 9x = (-5 * 4 + x * 4)
-20 + 9x = (-20 + 4x)

Add '20' to each side of the equation.
-20 + 20 + 9x = -20 + 20 + 4x

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

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

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

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

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

Divide each side by '5'.
x = 0

Simplifying
x = 0

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