Multiply top equation by 3 and bottom by 2.
.9x - .6y = 12
.4x + .6y = 10/23
Add the two equations.
1.3x = 12 10/23
You should be able to take it from here.
Solve by the elimination process:
0.3x - 0.2y = 4;
0.2x + 0.3y = 5/23
1 answer