Solve for x
x=10
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0.9x=1.8\times 5
Multiply both sides by 5.
0.9x=9
Multiply 1.8 and 5 to get 9.
x=\frac{9}{0.9}
Divide both sides by 0.9.
x=\frac{90}{9}
Expand \frac{9}{0.9} by multiplying both numerator and the denominator by 10.
x=10
Divide 90 by 9 to get 10.
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