8x-xy=7+9x

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


Simplifying
8x + -1xy = 7 + 9x

Solving
8x + -1xy = 7 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
8x + -9x + -1xy = 7 + 9x + -9x

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

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

Reorder the terms:
-7 + -1x + -1xy = 7 + -7

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

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7 + x + xy) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7 + x + xy)' equal to zero and attempt to solve: Simplifying 7 + x + xy = 0 Solving 7 + x + xy = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + x + -7 + xy = 0 + -7 Reorder the terms: 7 + -7 + x + xy = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x + xy = 0 + -7 x + xy = 0 + -7 Combine like terms: 0 + -7 = -7 x + xy = -7 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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