RS = 8y + 4 , ST = 4y + 8 And Rt = 15y - 9

what is the the value of y ?
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1 Answer

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

12y+12=15y-9,

21=3y, y=7, and in case you need to know:

RS=8y+4=60, ST=4y+8=36, RT=60+36=96, also 15y-9=96.

by Top Rated User (1.2m points)

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