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In the equation 3x+4=13, the x is called what?
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In the equation 3x+4=13, the x is called what?

User Liu Guanghua
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Answer:


3x + 4 = 13 \\ 3x = 13 - 4 \\ 3x = 9 \\ x = (9)/(3) \\ \therefore \: x = 3

User A Fader Darkly
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