Question

Solve the following system:

y = x + 3
3x + y = 19

Answer 1

(7, 4)
(−4, 7)
(4, 7)
(4, −7)

Answer 2

@imqwerty

Answer 3

frm 1st equation u knw taht y=x+3 put this value of y in 2nd eq u get
3x+(x+3)=19
3x+x+3=19
4x=16
x=4


we knw that y=x+3
we also knw that x=4

so put x=4 in y =x+3
y=4+3
y=7

so (4,7)

Answer 4

thank you !! I have 2 more left can u help

Answer 5

yes (:

Answer 6

sorry i meant 3 left but i will make a new post and tag u

Answer 7

lol ok :D