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

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


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

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

Solving
-7 + -1x + -1y = 0

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + -1x + 7 + -1y = 0 + 7

Reorder the terms:
-7 + 7 + -1x + -1y = 0 + 7

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

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

Add 'y' to each side of the equation.
-1x + -1y + y = 7 + y

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

Divide each side by '-1'.
x = -7 + -1y

Simplifying
x = -7 + -1y

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