The sum of two numbers is 6. The second number is three times greater than the first number.

Question

x + y = 6; x = 3 + y
y = x + 6; y = x + 3
x + y = 6; y = 3x
x - y = 6; y = -3x

 My name is mandy and i really need help which one is it!!

Answer 1

x + y  =  6 

 

y =  3 x    

 

x + 3x = 6  

4x = 6 

 

x = 1.5   ,  y  = 4.5