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Two functions are shown below. f(x) = –3x + 6 g(x) = 2x – 9 What is the value of x when f(x) = g(x)?

Two functions are shown below. f(x) = –3x + 6 g(x) = 2x – 9 What is the value of x when f(x) = g(x)?
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Two functions are shown below. f(x) = –3x + 6 g(x) = 2x – 9 What is the value of x when f(x) = g(x)?

User Bruno Reis
by
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1 Answer

4 votes
f(x) = -3x +6
g(x) = 2x-9

find X when f(x) = g(x)

-3x+6 = 2x-9

subtract 2x from each side:

-5x +6 = -9

subtract 6 from each side:
-5x = -15

divide both sides by -5

x = -15 / -5

x = 3
User Sergey Kamardin
by
8.5k points
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