B is between A and C, if AB=2(x+1), BC=3x+1, and AC=4(x+2), find the value of AC

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02-09-2021
Mathematics

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B is between A and C, if AB=2(x+1), BC=3x+1, and AC=4(x+2), find the value of AC

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oakleyhaskell oakleyhaskell · Answer 1 · 2021-09-02T17:55:25+02:00

oakleyhaskell oakleyhaskell

02-09-2021

2x + 2 + 3x + 1 = 4x + 8

5x + 3 = 4x + 8

5x = 4x - 5

x = -5

therefore

4(-5 + 2)

4(-3)

-12

or

4(-5 + 2)

-20 + 8

-12

either way, it’s the same.

————

answer: AC = -12

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