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30-09-2019
Mathematics

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f(x)=−7x−1
f(____)= -8

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chrisleebear chrisleebear

30-09-2019

-8 = -7x-1
bring -1 to the other side as we are isolating for x so it will be
-7 = -7x then divide -7 from each side
-7/-7 = (-7/-7)x
1 = x

Answer is f(1)= -8

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