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If g(x) = 2x + 7 Find x if g(x)=9
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1 vote
If g(x) = 2x + 7
Find x if g(x)=9

User Mkafiyan
by
4.1k points

1 Answer

3 votes

Answer:

x = 1

Explanation:

g(x) = 2x + 7

g(x) = 9

9 = 2x + 7

Subtract 2x on both sides

9 - 2x = 7

Subtract 9 on both sides

-2x = 7 - 9

Simplify

-2x = -2

Divide by -2 on both sides

x = 1

Cross check

9 = 2(1) + 7

9 = 9

User Jason Stirk
by
4.4k points
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