Use the number line below, where RS = 6y +3, ST = 4y +9, and RT = 72.

Mathematics

1 answer:

timurjin [86]3 years ago

7 0

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

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