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Section 2.4 : Equations With More Than One Variable

1. Solve \(A = 3p\left( {4 - 2r} \right)\) for \(p\).
2. Solve \(A = 3p\left( {4 - 2r} \right)\) for \(r\).
3. Solve \(\displaystyle T = \frac{c}{3}\left( {6p + \frac{{3q}}{c}} \right) - 7p\) for \(p\)
4. Solve \(\displaystyle T = \frac{c}{3}\left( {6p + \frac{{3q}}{c}} \right) - 7p\) for \(c\).
5. Solve \(\displaystyle \frac{1}{n} = \frac{2}{m} - \frac{3}{q}\) for \(n\).
6. Solve \(\displaystyle \frac{1}{n} = \frac{2}{m} - \frac{3}{q}\) for \(q\).
7. Solve \(3A + 6C = 4A\left( {B - 7C} \right)\) for \(C\).
8. Solve \(3A + 6C = 4A\left( {B - 7C} \right)\) for \(A\).
9. Solve \(\displaystyle y = \frac{{4 - 9x}}{3}\) for \(x\).
10. Solve \(\displaystyle y = \frac{{12}}{{1 - x}}\) for \(x\).
11. Solve \(\displaystyle y = \frac{7}{{10x + 9}}\) for \(x\).
12. Solve \(\displaystyle y = \frac{{8 - 5x}}{{9 - 7x}}\) for \(x\).
13. Solve \(\displaystyle y = \frac{{2 + 11x}}{{1 + 4x}}\) for \(x\).
14. Solve \(\displaystyle y = \frac{{9 + 2x}}{{4 - x}}\) for \(x\).