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

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


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

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

Reorder the terms:
y = -7x + -1x + 9y + 7y

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

Combine like terms: 9y + 7y = 16y
y = -8x + 16y

Solving
y = -8x + 16y

Solving for variable 'y'.

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

Add '-16y' to each side of the equation.
y + -16y = -8x + 16y + -16y

Combine like terms: y + -16y = -15y
-15y = -8x + 16y + -16y

Combine like terms: 16y + -16y = 0
-15y = -8x + 0
-15y = -8x

Divide each side by '-15'.
y = 0.5333333333x

Simplifying
y = 0.5333333333x

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