Solve for x
x=15
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30x+600-20x=750
Use the distributive property to multiply 30-x by 20.
10x+600=750
Combine 30x and -20x to get 10x.
10x=750-600
Subtract 600 from both sides.
10x=150
Subtract 600 from 750 to get 150.
x=\frac{150}{10}
Divide both sides by 10.
x=15
Divide 150 by 10 to get 15.
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