Use the number line below, where RS = 6y +3, ST = 4y +9, and RT = 72.
a. What is the value of y?
b. Find RS and ST.
a. What is the value of y?
y=(Type an integer or a decimal.)

Use the number line below where RS 6y 3 ST 4y 9 and RT 72 a What is the value of y b Find RS and ST a What is the value of y yType an integer or a decimal class=

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Answer:

a. 6y +3 +4y +9= 72

6y+4y+3+9=72

10y+12=72

10y=72-12

10y=60

10y/10= 60/10

y=6