SOLUTION: one number is 3 more than twice another number. If their sum is 21, find the numbers
Algebra.Com
Question 358418: one number is 3 more than twice another number. If their sum is 21, find the numbers
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let one number be x
the other number will be 2x+3
...
x+2x+3=21
3x+3=21
-3
3x=21-3
3x=18
/3
x=18/3
x= 3
..
the other number = 2x+3= 6+3=9
...
m.ananth@hotmail.ca
RELATED QUESTIONS
One number is 6 more than twice another. If their sum is 51, find the... (answered by rfer)
One Number is 21 More than another. Their sum is -423, Find the... (answered by Math_prodigy)
One number is 40 more than twice another. Their product is 40 more than twice their sum.... (answered by macston)
A certain number is 3 more than another number. If their sum is 21, find their numbers
(answered by harpazo)
One number is 3 units larger than twice another number. If their sum is zero, find the... (answered by ankor@dixie-net.com)
One number is 2 more than twice another. If the product of the numbers is 2 more than... (answered by Paul)
One number is 11 more than twice another number. If the sum of the numbers is twice their (answered by edjones)
One number is 11 more than twice another number. If the sum of the numbers is twice their (answered by amnd)
One number is 11 more than twice another number. If the sum of the numbers is twice their (answered by stanbon)