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| Math Central | Quandaries & Queries |
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Question from pheter, a student: 4/x - 1/y = 3 .... equation (1) |
Hi,
Rewrite the equations as
\[4 \times \frac{1}{x} - 1 \times \frac{1}{y} = 3\]
and
\[6 \times \frac{1}{x} - 2 \times \frac{1}{y} = 5.\]
Now substitute $s = \frac{1}{x}, t = \frac{1}{y}$ and solve for $s$ and $t.$
Penny
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