0.2x-1.3y=1, 2.3y-0.2x=3.
Add the two equations to eliminate x: y=4
Now substitute for y in either equation:
0.2x-5.2=1 or 9.2-0.2x=3;
0.2x=6.2, x=6.2/0.2=62/2=31;
or
9.2-3=0.2x, 6.2=0.2x, x=6.2/0.2=31.
ANSWER: x=31, y=4.
CHECK
0.2x-1.3y=6.2-5.2=1✔️
2.3y-0.2x=9.2-6.2=3✔️