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What is the input value for an output value of -4 for the function g(x)=28/x-7​

User Aneesah
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1 Answer

2 votes
9 1/3



-4 = 28 / x - 7

Add 7 on both sides.

3 = 28 / x

Multiply by x on both sides.

3x = 28

Divide both sides by 3.

x = 28/3

x = 9 1/3
User Dlink
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