Solve for x
x=3
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31.5-x=38\times 0.75
Multiply 42 and 0.75 to get 31.5.
31.5-x=28.5
Multiply 38 and 0.75 to get 28.5.
-x=28.5-31.5
Subtract 31.5 from both sides.
-x=-3
Subtract 31.5 from 28.5 to get -3.
x=3
Multiply both sides by -1.
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