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Evaluate 4a + 7b + 3a − 2b for a = 5 and b = −3.
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Evaluate 4a + 7b + 3a − 2b for a = 5 and b = −3.

User Awena
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1 vote

Answer:

20

Explanation:


4a+7b+3a-2b\qquad\text{combine like terms}\\\\=(4a+3a)+(7b-2b)\\\\=7a+5b\qquad\text{put a = 5 and b = -3 to the expression}\\\\7(5)+5(-3)=35-15=20

User Mlecar
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