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22-09-2022
Mathematics

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100 POINTS + BRAINLEIST ANSWER ASAP

100 POINTS BRAINLEIST ANSWER ASAP class=

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georgepahno georgepahno

22-09-2022

Answer:

BC = 21

Step-by-step explanation:

AB + BC = AC

[tex]7x + 8 + 3x + 6 = 64[/tex]

[tex]10x + 14 = 64[/tex]

[tex]10x = 50[/tex]

[tex]x = 5[/tex]

BC = 3(5) + 6 = 21

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