Solve for x
x=1939820
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0.025x+0.45-0.0225x=4850
Use the distributive property to multiply 0.0225 by 20-x.
0.0025x+0.45=4850
Combine 0.025x and -0.0225x to get 0.0025x.
0.0025x=4850-0.45
Subtract 0.45 from both sides.
0.0025x=4849.55
Subtract 0.45 from 4850 to get 4849.55.
x=\frac{4849.55}{0.0025}
Divide both sides by 0.0025.
x=\frac{48495500}{25}
Expand \frac{4849.55}{0.0025} by multiplying both numerator and the denominator by 10000.
x=1939820
Divide 48495500 by 25 to get 1939820.
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