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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? A) 8 B) 14 C) 30 D) 47

2 Answers

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A) 8/

3g-7=17

3g=17+7

3g=24

g=24รท3

g=8

User Fennie
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7 votes

To solve this, make the equation 3g-7=17 to solve for g, Gabriela's age.

3g-7=17

First, add 7 to both sides.

3g=24

Divide both sides by 3.

g=8

Gabriela is A) 8 years old.

I hope this helps :)

User Linusz
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