Solve for x
x=\frac{10}{11}\approx 0.909090909
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90x-60+9x=30
Add 9x to both sides.
99x-60=30
Combine 90x and 9x to get 99x.
99x=30+60
Add 60 to both sides.
99x=90
Add 30 and 60 to get 90.
x=\frac{90}{99}
Divide both sides by 99.
x=\frac{10}{11}
Reduce the fraction \frac{90}{99} to lowest terms by extracting and canceling out 9.
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