SOLUTION: Danielle is 17 years old. She is 3 years older than twice Zack’s age. What is Zack’s age?
Algebra.Com
Question 707637: Danielle is 17 years old. She is 3 years older than twice Zack’s age. What is Zack’s age?
Answer by vheroli(126) (Show Source): You can put this solution on YOUR website!
Let x be Zack's age:
17=2x+3
17-3=2x
14=2x
14/2=2x/2
7=x
Therefore:
Zack's age=7
RELATED QUESTIONS
Kristen is 4 times Claire’s age. Emily is 6 times older than Claire and 6 years younger (answered by Alan3354,josgarithmetic)
Amy, who is 17 years old, is 5 years older than twice Moe’s... (answered by stanbon)
Solving systems of linear equations
Alesha is 24 years older than Zack. In 13 years... (answered by ikleyn)
Sasha's age is 2 years older than twice her brother's age. Sasha'a age is 17 minus her... (answered by Alan3354)
laura is 3 years older than twice joseph’s age. of laura is 27 years old how old is... (answered by josgarithmetic)
danielle is 36 years older than her daughter alison. Two years ago danielle was 5 times... (answered by ankor@dixie-net.com)
Simon is one fifth of Danielle's age.
In 6 Years time, Simon will be one third of... (answered by josgarithmetic,timofer,greenestamps)
Beth’s age is 3 years older than twice her brother’s age. If Beth is 21 years old. How... (answered by josgarithmetic)
mrs tan is 28 years old older than zack.
he's 4 years younger than mrs tan.
all three... (answered by greenestamps,josgarithmetic)