Solve for x
x=\frac{y}{y+1}
y\neq -1
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y\left(-x+1\right)=x
Variable x cannot be equal to 1 since division by zero is not defined. Multiply both sides of the equation by -x+1.
-yx+y=x
Use the distributive property to multiply y by -x+1.
-yx+y-x=0
Subtract x from both sides.
-yx-x=-y
Subtract y from both sides. Anything subtracted from zero gives its negation.
\left(-y-1\right)x=-y
Combine all terms containing x.
\frac{\left(-y-1\right)x}{-y-1}=-\frac{y}{-y-1}
Divide both sides by -y-1.
x=-\frac{y}{-y-1}
Dividing by -y-1 undoes the multiplication by -y-1.
x=\frac{y}{y+1}
Divide -y by -y-1.
x=\frac{y}{y+1}\text{, }x\neq 1
Variable x cannot be equal to 1.
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