Q161: <span class="ql-formula" data-value="\frac{5 x-20}{x^{2}-16}-\frac{5 x-20}{16-x^{2}}"><span class="katex"><span class="katex-mathml"><math
Q162: Find all values of the variable
Q163: The speed of a vehicle varies
Q164: <span class="ql-formula" data-value="\frac{(\mathrm{x}-2)(\mathrm{x}+3)}{(\mathrm{x}+7)(\mathrm{x}-2)} \cdot \frac{(\mathrm{x}-10)(\mathrm{x}+7)}{(\mathrm{x}+3)(\mathrm{x}+6)}"><span class="katex"><span class="katex-mathml"><math
Q165: Find all values <span class="ql-formula"
Q167: For the given rational functions
Q168: Simplify the complex fraction.<br>- <span class="ql-formula"
Q169: <span class="ql-formula" data-value="\frac{x-4}{x-8}=\frac{4}{x-8}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mrow><mi>x</mi><mo>−</mo><mn>4</mn></mrow><mrow><mi>x</mi><mo>−</mo><mn>8</mn></mrow></mfrac><mo>=</mo><mfrac><mn>4</mn><mrow><mi>x</mi><mo>−</mo><mn>8</mn></mrow></mfrac></mrow><annotation encoding="application/x-tex">\frac{x-4}{x-8}=\frac{4}{x-8}</annotation></semantics></math></span><span
Q170: <span class="ql-formula" data-value="\frac{x^{2}-9 x}{x-7}+\frac{2 x-28}{7-x}"><span class="katex"><span class="katex-mathml"><math
Q171: Solve for the specified variable<br>- <span