Question

find the value of the expression of 7a + 3ab-b( if a= -3and b = -1 )​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

7a + 3ab - b

7(-3) +3(-3)(-1) - (-1)

-21 - (-1) +1

-21 +1 +1

-20 +1

-19