4x+9y+(-9y)+(-7x)=

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Solution for 4x+9y+(-9y)+(-7x)= equation: 


Simplifying
4x + 9y + (-9y) + (-7x) = 0

Reorder the terms:
4x + (-7x) + 9y + (-9y) = 0

Combine like terms: 4x + (-7x) = -3x
-3x + 9y + (-9y) = 0

Combine like terms: 9y + (-9y) = 0
-3x + 0 = 0
-3x = 0

Solving
-3x = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
x = 0

Simplifying
x = 0

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