9x-4x=20-5

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


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

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

Combine like terms: 20 + -5 = 15
5x = 15

Solving
5x = 15

Solving for variable 'x'.

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

Divide each side by '5'.
x = 3

Simplifying
x = 3

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