SOLUTION: A and B have a combined age of 41 but A is two more than twice B's age...what are their ages? the formula is A+B=41,A is two more than twice B's age.. A = 2b + 2

Algebra.Com
Question 480275: A and B have a combined age of 41 but A is two more than twice B's age...what are their ages? the formula is A+B=41,A is two more than twice B's age..
A = 2b + 2

Found 2 solutions by stanbon, solver91311:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A and B have a combined age of 41 but A is two more than twice B's age...what are their ages? the formula is A+B=41,A is two more than twice B's age..
A = 2b + 2
--------------------------
A + B = 41
A -2B = 2
----
Subtract and solve for B:
3b = 39
B = 13
------------
Solve for A:
A + B = 41
A + 13 = 41
A = 28
-------------------------
Cheers,
stan H.
=====

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


You have both equations set up correctly, now just substitute:





So:



goes in place of in the first equation resulting in:



Solve for . Then calculate . Check your work by calculating which, given proper work, should equal

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism


RELATED QUESTIONS

Anne’s age is 5 more than twice Matteo’s age. a) Write an algebraic expression for the... (answered by Cromlix)
1. A is as old as the combined age of her two brothers B and C. But C is two years older... (answered by josgarithmetic,ikleyn)
Jack is 7 years older than Conor (a) If jacks age is x years what is Conor’s age?... (answered by ikleyn)
Four times B’s age exceeds A’s age by 20 years,and one third of A’s age is less than B’s... (answered by josgarithmetic)
Suppose Batman is at most 4 years younger than Superman and at least twice Robin’s age.... (answered by themathtutor2009)
Age of A is twice of B if sum of both ages is 18 what is the age of... (answered by harpazo)
Ike’s age is three years more than twice his younger brother’s age. If the sum of their... (answered by rfer)
if A is 3 yrs older than B and B is twice of the age of C..the total sum of ages are 30... (answered by Abbey)
Maggie, Amy, and Karen are relatives. They have lived a total of 105 years combined.... (answered by ikleyn)