-4x+9x=-20+15

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Solution for -4x+9x=-20+15 equation: 


Simplifying
-4x + 9x = -20 + 15

Combine like terms: -4x + 9x = 5x
5x = -20 + 15

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

Solving
5x = -5

Solving for variable 'x'.

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

Divide each side by '5'.
x = -1

Simplifying
x = -1

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