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"
Q166: <span class="ql-formula" data-value="\frac{6}{\mathrm{x}}+\frac{7}{8}=1"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mn>6</mn><mi mathvariant="normal">x</mi></mfrac><mo>+</mo><mfrac><mn>7</mn><mn>8</mn></mfrac><mo>=</mo><mn>1</mn></mrow><annotation
Q167: For the given rational functions
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
Q172: <span class="ql-formula" data-value="\frac{6 x+2}{x^{2}+9 x}+\frac{x^{2}+8 x+43}{x^{2}+9 x}"><span
Q173: <span class="ql-formula" data-value="\frac{7 \mathrm{x}-12}{\mathrm{x}^{2}-4}-\frac{4 \mathrm{x}-6}{\mathrm{x}^{2}-4}"><span class="katex"><span class="katex-mathml"><math