Solve for x
x=100
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0.1x=18-8
Subtract 8 from both sides.
0.1x=10
Subtract 8 from 18 to get 10.
x=\frac{10}{0.1}
Divide both sides by 0.1.
x=100
Expand \frac{10}{0.1} by multiplying both numerator and the denominator by 10. Anything divided by one gives itself.
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