Solve for x
x = \frac{156}{17} = 9\frac{3}{17} \approx 9.176470588
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780=x\times 85
Multiply 10 and 78 to get 780.
x\times 85=780
Swap sides so that all variable terms are on the left hand side.
x=\frac{780}{85}
Divide both sides by 85.
x=\frac{156}{17}
Reduce the fraction \frac{780}{85} to lowest terms by extracting and canceling out 5.
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