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If S is the midpoint of RT, RS=5x+17, and ST=8x-31, find RS

User Zamel
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1 Answer

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A midpoint divides a line into two equal parts so
5x+17=8x-31
17=3x-31
3x=48
x=16

RS=5x(16)+17
80+17=97
RS=97
User JWD
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