If RS=8y+4, ST=4y+8, and RT=15y-9

If RS=8y+4, ST=4y+8, and RT=15y-9
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1 Answer

If segment RT contains point S:

RS + ST = RT

(8y + 4) + (4y + 8) = 15y - 9

12y + 12 = 15y - 9

21 = 3y

y = 7
by Level 6 User (23.1k points)

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