Use the number line below, where RS equals 3 y plus 2 , ST equals 2 y plus 7 , and RT equals 10 y minus 11 .

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Use the number line below, where RS=7y+2, ST=5y+7, and RT=14y−3. a. What is the value of y? b. Find RS, ST, and RT.

StephenTG answered Mar 16, 2018

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3y + 2 + 2y + 7 = 10y - 11
5y + 9 = 10y - 11
20 = 5y
4 = y

RS = 14
ST = 15
RT = 29

Elimelech answered Mar 18, 2018

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