SOLUTION: A first number plus twice a second number is 8. Twice the first number, plus the second, totals 25. Find the numbers.

Algebra ->  Linear-equations -> SOLUTION: A first number plus twice a second number is 8. Twice the first number, plus the second, totals 25. Find the numbers.      Log On


   



Question 1083818: A first number plus twice a second number is 8. Twice the first number, plus the second, totals 25. Find the numbers.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.A%2B2B=8
2.2A%2BB=25
Multiply 1 by 2 and subtract from 2,
2A%2B4B-2A-B=16-25
3B=-9
Solve for B, then use either equation to solve for A.