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Given f(x)=2x+9, if f(x)=15, find x. PLEASE SHOW WORK :) :) :) :) :) :) :) :) :) :) :) :) :) :)

Given f(x)=2x+9, if f(x)=15, find x. PLEASE SHOW WORK :) :) :) :) :) :) :) :) :) :) :) :) :) :)
asked 133k views
2 votes
Given f(x)=2x+9, if f(x)=15, find x.

PLEASE SHOW WORK
:) :) :) :) :) :) :) :) :) :) :) :) :) :)

asked
User Saso
by
8.2k points

1 Answer

2 votes

Answer:

x = -3

Explanation:

If f(x) = 15

f(x) = 2x + 9

15 = 2x + 9

2x = 9 - 15

2x = -6

x = -3

answered
User Morris Singer
by
8.6k points
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