Evaluate
\frac{5ab}{2}-\frac{b}{2}+4a
Factor
\frac{5ab+8a-b}{2}
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4a+\frac{5}{2}ba-\frac{1}{2}b
Multiply 5 and \frac{1}{2} to get \frac{5}{2}.
\frac{8a+5ba-b}{2}
Factor out \frac{1}{2}.
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