Solve for x
x=18
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x-3=\frac{7.5}{0.5}
Divide both sides by 0.5.
x-3=\frac{75}{5}
Expand \frac{7.5}{0.5} by multiplying both numerator and the denominator by 10.
x-3=15
Divide 75 by 5 to get 15.
x=15+3
Add 3 to both sides.
x=18
Add 15 and 3 to get 18.
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