Solve for x
x=24.5
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56=31.5+x
Add 28 and 3.5 to get 31.5.
31.5+x=56
Swap sides so that all variable terms are on the left hand side.
x=56-31.5
Subtract 31.5 from both sides.
x=24.5
Subtract 31.5 from 56 to get 24.5.
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