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F(x)= 2x+15 find x when f(x) = 27

User Bricktop
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1 Answer

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Hello!

Since f(x) = 2x + 15 and 27 they equal each other

2x + 15 = 27

Now you solve this algebraically

Subtract 15 from both sides

2x = 12

Divide both sides by 2

x = 6

Hope this helps!
User Franchesco
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