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13 votes
13 votes
If f(x) = -2x – 2 and g(x) = 22 – 1, find all values of x for which
f(x) = g(x).

User Thomas Moreau
by
3.5k points

1 Answer

18 votes
18 votes

Answer:

-11.5

Explanation:

Replace equations

-2x-2=22-1

Add like

-2x-2=21

Add 2 from each side to get x by itself

-2x=23

Divide by -2 to get x by itself

x= -11.5

User Paulo Bu
by
3.3k points