Solve for x
x=130
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0.1x=8+5
Add 5 to both sides.
0.1x=13
Add 8 and 5 to get 13.
x=\frac{13}{0.1}
Divide both sides by 0.1.
x=130
Expand \frac{13}{0.1} by multiplying both numerator and the denominator by 10. Anything divided by one gives itself.
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