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Bryn's age is given by the expression 3g - 7, where g is her sister Gabriela's age. If Bryn is 17, how old is Gabriela?

Bryn's age is given by the expression 3g - 7, where g is her sister Gabriela's age. If Bryn is 17, how old is Gabriela?
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3 votes
Bryn's age is given by the expression 3g - 7, where g is her sister Gabriela's age. If Bryn is 17, how old is Gabriela?

asked
User NathanAldenSr
by
8.2k points

2 Answers

4 votes
17=3g-7
+7| +7
24/3=3g/3
8=g
Gabriela is 8 years old.
answered
User Noveaustack
by
7.7k points
7 votes
3g - 7 = 17
3g = 17 + 7
3g = 24
g = 24/3
g = 8

Gabriela is 8 years old
answered
User Geetanshu Gulati
by
7.6k points
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