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Evaluate 7a - 5b when a = 3 and b = 4 .
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Evaluate 7a - 5b when a = 3 and b = 4 .

User Victor Petrykin
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\begin{gathered} \text{ When evaluating, just substitute the values given assigned to the variable} \\ a=3,b=4 \\ 7a-5b \\ =7(3)-5(4) \\ =21-20 \\ =1 \end{gathered}

User Wmz
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