Solve for x
x=\frac{9}{16}=0.5625
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20x+9=18+4x
Add 15 and 3 to get 18.
20x+9-4x=18
Subtract 4x from both sides.
16x+9=18
Combine 20x and -4x to get 16x.
16x=18-9
Subtract 9 from both sides.
16x=9
Subtract 9 from 18 to get 9.
x=\frac{9}{16}
Divide both sides by 16.
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