Solve for x_89
x_{89} = \frac{470}{91} = 5\frac{15}{91} \approx 5.164835165
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0.091x_{89}=0.47
Multiply 0.1 and 0.91 to get 0.091.
x_{89}=\frac{0.47}{0.091}
Divide both sides by 0.091.
x_{89}=\frac{470}{91}
Expand \frac{0.47}{0.091} by multiplying both numerator and the denominator by 1000.
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