=6x+9y+(-9y)+(-9x)

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Solution for =6x+9y+(-9y)+(-9x) equation:


Simplifying
0 = 6x + 9y + (-9y) + (-9x)

Reorder the terms:
0 = 6x + (-9x) + 9y + (-9y)

Combine like terms: 6x + (-9x) = -3x
0 = -3x + 9y + (-9y)

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

Solving
0 = -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
0 + 3x = -3x + 3x
Remove the zero:
3x = -3x + 3x

Combine like terms: -3x + 3x = 0
3x = 0

Divide each side by '3'.
x = 0

Simplifying
x = 0

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