Solve for x
x=\frac{y^{2}}{49}
y\geq 0
Solve for x (complex solution)
x=\frac{y^{2}}{49}
arg(y)<\pi \text{ or }y=0
Solve for y (complex solution)
y=7\sqrt{x}
Solve for y
y=7\sqrt{x}
x\geq 0
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y=7\sqrt{x}
Anything plus zero gives itself.
7\sqrt{x}=y
Swap sides so that all variable terms are on the left hand side.
\frac{7\sqrt{x}}{7}=\frac{y}{7}
Divide both sides by 7.
\sqrt{x}=\frac{y}{7}
Dividing by 7 undoes the multiplication by 7.
x=\frac{y^{2}}{49}
Square both sides of the equation.
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