Solve for x
x=\frac{7}{y}
y\neq 0
Solve for y
y=\frac{7}{x}
x\neq 0
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yx-7=0
Multiply both sides of the equation by y.
yx=7
Add 7 to both sides. Anything plus zero gives itself.
\frac{yx}{y}=\frac{7}{y}
Divide both sides by y.
x=\frac{7}{y}
Dividing by y undoes the multiplication by y.
yx-7=0
Variable y cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by y.
yx=7
Add 7 to both sides. Anything plus zero gives itself.
xy=7
The equation is in standard form.
\frac{xy}{x}=\frac{7}{x}
Divide both sides by x.
y=\frac{7}{x}
Dividing by x undoes the multiplication by x.
y=\frac{7}{x}\text{, }y\neq 0
Variable y cannot be equal to 0.
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