Question

. -4x + 5y = -23
2x-3y = 13


3x-2y = -4
5 +6y =19​

Answer 1

Explicación paso a paso:

1) -12x+15y=-69

10x-15y=65

-2x=-4

x=2

-4(2)+5y=-23

5y=-15

y=-3

2) 9x-6y=-12

5x+6y=19

14x=7

x=½

3(½)-2y=-4

3-4y=-8

4y=5

y=5/4