sindy35111 sindy35111

03-09-2018
Mathematics

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Please Please help it would be greatly appreciated!! :)

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Аноним Аноним

03-09-2018

AB + BC = AC

(8x - 4) + (9x + 17) = 10x + 34

...simplify

17x + 13 = 10x + 34

...subtract 13

17x = 10x + 21

...subtract 10x

7x = 21

...divide 7

x = 3

AC = 10(3) + 34 = 30 + 34

AC = 64

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