Solve for x
x=10
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0.8x-7.5=0.5
Multiply 2.5 and 3 to get 7.5.
0.8x=0.5+7.5
Add 7.5 to both sides.
0.8x=8
Add 0.5 and 7.5 to get 8.
x=\frac{8}{0.8}
Divide both sides by 0.8.
x=\frac{80}{8}
Expand \frac{8}{0.8} by multiplying both numerator and the denominator by 10.
x=10
Divide 80 by 8 to get 10.
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