Question

4х + Зу = 3
4x - 2y = 18
How to solve this?

Answer 1

Using elimination, you can do

4x+3y-(4x-2y)=3-(18)

5y=-15

y=-3

Substitute it back into original equation:

4x+6=18

4x=12

x=3

So, the answer is x=3, y=-3