Answer: x=67, y=23
Here are our 2 equations
x+2=3y
x+y+90=180
Simplifying,
x+2=3y
x+y=90
Now that we know this, we can use the 2nd equation to find x in terms of y,
x=90-y
and substitute in the first equation.
(90-y)+2=3y
=>92-y=3y
=>4y=92
=>y=23
So x=90-23
=>x=67
HOPE THIS HELPS