Solve for x
x=196
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19.6=0.1x
Multiply 20 and 0.98 to get 19.6.
0.1x=19.6
Swap sides so that all variable terms are on the left hand side.
x=\frac{19.6}{0.1}
Divide both sides by 0.1.
x=196
Expand \frac{19.6}{0.1} by multiplying both numerator and the denominator by 10. Anything divided by one gives itself.
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