Two brothers are saving to buy tickets to a concert. Their combined savings is $55.one brother has $15 more than the other.How much has each saved?

Question

 this may be an x ,y solve for x equation 

Answer 1

let x= one brother and y= the other brother

 

x+y=55

x+15=y

 

x+(x+15)=55

2x+15=55

2x=40

x=20

 

$20 and $35