-7y+8x+(-9x)-y=

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Solution for -7y+8x+(-9x)-y= equation:


Simplifying
-7y + 8x + (-9x) + -1y = 0

Reorder the terms:
8x + (-9x) + -7y + -1y = 0

Combine like terms: 8x + (-9x) = -1x
-1x + -7y + -1y = 0

Combine like terms: -7y + -1y = -8y
-1x + -8y = 0

Solving
-1x + -8y = 0

Solving for variable 'x'.

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

Add '8y' to each side of the equation.
-1x + -8y + 8y = 0 + 8y

Combine like terms: -8y + 8y = 0
-1x + 0 = 0 + 8y
-1x = 0 + 8y
Remove the zero:
-1x = 8y

Divide each side by '-1'.
x = -8y

Simplifying
x = -8y

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