Solve for x
x=30
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x=42\times \frac{5}{7}
Multiply both sides by \frac{5}{7}, the reciprocal of \frac{7}{5}.
x=\frac{42\times 5}{7}
Express 42\times \frac{5}{7} as a single fraction.
x=\frac{210}{7}
Multiply 42 and 5 to get 210.
x=30
Divide 210 by 7 to get 30.
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