Question

HELP WILL MEDAL!

Solve the following system:


y = x + 3
3x + y = 19

(7, 4)
(−4, 7)
(4, 7)
(4, −7)

Answer 1

@agent0smith

Answer 2

plug the 1st equation in second equation

Answer 3

for x?

Answer 4

for y

Answer 5

(3x + y = 19)= x + 3

Answer 6

nope not like that
let me show you how

Answer 7

3x+y=19
and given that y=x+3
so,we get
3x+(x+3)=19

Answer 8

did you get it?

Answer 9

yes no combine like terms

Answer 10

now

Answer 11

yea

Answer 12

no distributive property?

Answer 13

nope cuz they are adding

Answer 14

4x+3=19

Answer 15

good

Answer 16

now subtract both sides by 3

Answer 17

4x=16

Answer 18

good

Answer 19

now divide both sides by 4

Answer 20

x=4

Answer 21

good

Answer 22

now plug x=4 in the equation
y=x+3

Answer 23

find y from there

Answer 24

y=7

Answer 25

awesome

Answer 26

there you go ;)

Answer 27

option C looks correct

Answer 28

Thank you!

Answer 29

np

Answer 30

@mayankdevnani can you help with one more?

Answer 31

sure @eriyalovesyou

Answer 32

@eriyalovesu