Question 174778
10x+y=10(x+y)
x=y+2
10(y+2)+y=10(y+2+y)
10y+20+y=10(2y+2)
11y+20=20y+20
11y-20y=0
y=0 ans. for the units integer.
x=0+2
x=2 for the tens integer
Proof:
10*2+0=10(2+0)
20+0=20
20=20