Question

a si b Dau coroana !!​

Answer 1

Răspuns:

A). Y=5+6x

3x+5+6x=14

3x-6x=14+5

-3x=20

X=20:-3

X=6,6666666

B) 8x-3y=1

4x+12y=5/*2

8x-3y=1

8x+24y=1o

27/11

8x-3y=1/*4

4x+12y=5

32x-12y=4

4x+12y=5

36/9

S={27/11si 36/9}