3 years ago

Given f(x)=-x-1, solve for x when f(x)=-10

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

3 0

f(x) = -10

set the equation equal to -10 and solve for x:

-10 = -x-1

Add 1 to both sides:

-9 = -x

Divide both sides by -1:

x = 9

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