Question

Find the value of k if (-2)k+1 × (-2)3 = (-2)7

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Answer 1

Answer: 4

Step-by-step explanation:

-2k+1*(-6)=-14

-2k-6=-14

-2k=-14+6

-2k=-8

k=4

Answer 2

Step-by-step explanation:

(-2)k+1×(-2)3=(-2)7

-2k+1×(-6)=(-14)

-2k+(-6)=(-14)

-2k-6=(-14)

-2k=(-14)+6

-2k=(-8)

k=(-8)/2

k=(-4)

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