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\frac{6}{7}=\frac{x\times 7}{4\times 7+2}
Divide x by \frac{4\times 7+2}{7} by multiplying x by the reciprocal of \frac{4\times 7+2}{7}.
\frac{6}{7}=\frac{x\times 7}{28+2}
Multiply 4 and 7 to get 28.
\frac{6}{7}=\frac{x\times 7}{30}
Add 28 and 2 to get 30.
\frac{x\times 7}{30}=\frac{6}{7}
Swap sides so that all variable terms are on the left hand side.
x\times 7=\frac{6}{7}\times 30
Multiply both sides by 30.
x\times 7=\frac{6\times 30}{7}
Express \frac{6}{7}\times 30 as a single fraction.
x\times 7=\frac{180}{7}
Multiply 6 and 30 to get 180.
x=\frac{\frac{180}{7}}{7}
Divide both sides by 7.
x=\frac{180}{7\times 7}
Express \frac{\frac{180}{7}}{7} as a single fraction.
x=\frac{180}{49}
Multiply 7 and 7 to get 49.