215 results in Content created by Newcastle University - search across all projects.
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Question
Solve for $x$: $\displaystyle 2\log_{a}(x+b)- \log_{a}(x+c)=d$.
Make sure that your choice is a solution by substituting back into the equation.
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Solve for $x$: $\displaystyle \frac{a} {bx+c} + d= s$
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Solve $\displaystyle ax + b = cx + d$ for $x$.
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Solve for $x$ and $y$: \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\ a_2x+b_2y&=&c_2 \end{eqnarray} \]
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What is the value of the expression given a choice of n?