johnapplestot12 johnapplestot12

14-04-2021
Mathematics

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For the function f(x) = 2x + 9, find the value of x when f(x) = 15.

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yamari11 yamari11

14-04-2021

X = 3

subtract 9 from both sides, which leaves ur equation to 6 = 2x, which then you divide both sides by 2, leaving you with 3 as your answer !

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