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Find the value of x if B is between A and C, AB=4x-9, BC= 3x+ 5, and AC=17

Find the value of x if B is between A and C, AB=4x-9, BC= 3x+ 5, and AC=17
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4 votes
Find the value of x if B is between A and C, AB=4x-9, BC= 3x+ 5, and AC=17

User Jasim Juwel
by
7.6k points

1 Answer

4 votes

u know ac = 17
ab = 4x-9
bc = 3x+5

------------------------------------
a b c



ac = ab + bc


17 =[ 4x-9 ] + [ 3x+5]

17 = 4x+3x -9 +5

17 = 7x -4

17+4= 7x

21 = 7x

21 : 7 = x

3. = x
User Cbayram
by
8.8k points
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