Question 285237
x is greater
y is lesser
Now we are told that:
x+y=15---------------------eq1
We are also told that:
x-3y=7------------------------eq2

Subtract eq2 from eq1 and we get:
4y=8  divide each side by 4
y=2--lesser number
From eq 1:
x+2=15
x=13-------------greater number
CK
2+13=15
15=15
and
13-3*2=7
13-6=7
7=7

Hope this helps---ptaylor