Question

{3x-2y=1
{4x+5y=2
Sistema de equaçao

Answer 1

3x-2y = 1     *(5)
4x+5y = 2    *(2)

15x-10y = 5
8x+10y = 4

23x = 9
x = 9/23

4x+5y = 2
4(9/23) +5y = 2
36/23 + 5y = 2
36+115y = 46
115y = 46-36
115y = 10
y = 10/115
y = 2/23

x = 9/23; y = 2/23.