Solve for x
x = \frac{23}{6} = 3\frac{5}{6} \approx 3.833333333
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18x+6+15=90
Combine 3x and 15x to get 18x.
18x+21=90
Add 6 and 15 to get 21.
18x=90-21
Subtract 21 from both sides.
18x=69
Subtract 21 from 90 to get 69.
x=\frac{69}{18}
Divide both sides by 18.
x=\frac{23}{6}
Reduce the fraction \frac{69}{18} to lowest terms by extracting and canceling out 3.
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