megankruppa
megankruppa
28-06-2017
Mathematics
contestada
Evaluate 4a+7b+3a−2b for a =5 and b=−3.
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Juliette619
Juliette619
28-06-2017
The answer is 20. I hope this helps.
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bcalle
bcalle
28-06-2017
4a + 7b + 3a - 2b
Combine like terms
7a + 5b
Plug in the values for a and b.
7(5) + 5(-3)
35 - 15
20
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