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Plug in b and k into the expression in order to get a final answer9(-4k+8b)b= -9 k=4

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we are given the following expression:


9(-4k+8b)

we are asked to plug in the following constants, b = -9 and k = 4, to do that, we will replace the values given for b and k in the expression, like this:


9(-4(4)+8(-9))

Now we will solve the multiplications inside the parenthesis, like this:


9(-16-72)

Now we will solve the operation inside the parenthesis, we get:


9(-88)

Now we solve the multiplication:


9(-88)=-792

therefore, the final answer after pluging in b and k is -792.

User Tpdietz
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