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F(x)=2x -7, What is x when f(x)=-15?
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1 vote
F(x)=2x -7, What is x when f(x)=-15?

User Geofflee
by
8.3k points

1 Answer

6 votes

Answer:

x = -4

Explanation:

Plug in -15 into the equation:

f(x) = 2x - 7

-15 = 2x - 7

Solve for x:

-15 = 2x - 7

-8 = 2x

-4 = x

User Adjanaye
by
8.3k points
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