Question

2x-3y =1
-5x+2y=-19
con método sustitución porfis ​

Answer 1

-3x-y= -18

18-3x=y

2x-3(18-3x)=1

2x-54+9x=1

11x=55

x=5

✓-5(5)+2y= -19

✓-25+2y= -19

✓ 2y=6

✓ y=3