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09-09-2018
Mathematics

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If,AT=3x+1,TL=15 and AL=7x+1 then find the value for x, AT, and TL

Respuesta :

18-09-2018

solution:

AT + TL = AL

3x + 1 + 15 = 7x + 1

15 = 4x

x = 15/4

[tex]AT=3\times\frac{15}{4}+1\\

\frac{49}{4}=12.25\\

AL=7\times\frac{15}{4}+1=\frac{109}{4}\\

27.25[/tex]

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