Simplify $\frac{x-y}{y-x}$
$1$
$-1$
$0$
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For what value of $x$ is $\frac{x-3}{x+4}$ undefined?
$x=3$
$x=0$
$x=-4$
$x=4$
Simplify $\frac{x+3}{x+5}+\frac{8-x}{x+5}$
$\frac{-5}{x+5}$
$11$
$\frac{11}{x+5}$
$-5$
If $\frac{1}{x}+\frac{1}{y}=\frac{1}{3}$, then $x+y=3$.
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The expression $\frac{5x+8}{8}$ simplifies to ${x+8}$.
If $\frac{a}{d}=\frac{b}{c}$, then $ac=bd$.
There is no value of $x$ for which $\frac{12}{x}=0$.
Simplify $\frac{0.7}{\frac{1}{2}}$ as a fraction without decimals.
Solve $\frac{12}{x}=\frac{90}{32}$ for $x$.
Simplify $\frac{w+3}{w-3}+\frac{w}{3-w}$.
Simplify $\frac{x^{2}-6x+5}{x^{2}-5x}$.
Give at least one restriction for $x$ in $\frac{x^{2}-6x+5}{x^{2}-5x}$.
$x\ne$?
Multiply $\frac{12x^{5}}{9x}\cdot\frac{81}{36x^{2}}$ and simplify.
Simplify $\frac{x}{x^{2}-4}+\frac{4}{x-2}$.
Divide $\frac{5x+15}{x^{2}-9}\div\frac{25}{x^{2}-7x+12}$ and simplify.