9x-4x=-20

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


Simplifying
9x + -4x = -20

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

Solving
5x = -20

Solving for variable 'x'.

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

Divide each side by '5'.
x = -4

Simplifying
x = -4

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