Verified answer

2x + y = -3

x - 3y = -26

6x + 3y = -9

adição

7x = -35

x = -5

-10 + y = -3

y = 10 - 3 = 7

outra¨

x + 5y = -24

3x - 2y = -4

x = -24 - 5y

3x = -72 - 15y

-72 - 15y - 2y = -4

17y = -68 ¨

y = -4

x = -24 - 5y

x = -24 + 20 = -4

pronto

2x+y = -3

x-3y = -26

2x+y = -3

y= -3-2x

x-3.(-3-2x) = -26

x+9+6x = -26

7x= -26-9

7x= -35

x= -35/7

{x= -5}

y= -3-2.(-5)

y= -3+10

{y= 7}

____________________

x + 5y = -24

3x - 2y = -4

x+5y = -24

x= -24-5y

3.(-24-5y) - 2y = -4

-72-15y -2y = -4

-72-17y = -4

-17y = -4 + 72

-17y = 68

y= 68/-17

{y= -4}

x= -24-5.(-4)

x= -24+20

{x= -4}

Pronto!

2x+y=3

x-3y=26

x=26+3y

2(26+3y)+y=3

52+6y+y=3

7y=3-52

7y=-49

y=-7

x=26-3y

x=26-3*7

x=26-21

x=5