Question

WILL GIVE MEDAL
Solve this system of equations using any method.(i only understand substitution method)
3x – y = 4
x + 2y = 13

A.
(3, 5)

B.
(–1, 7)

C.
(4, 8)

D.
(5, 11)

Answer 1

first you have to solve one of equation for one variable

Answer 2

solve 2nd equation for x
let me know if you have question

Answer 3

i got x=13-2y

Answer 4

that's right now replace x by 13-2y in first equation

Answer 5

k, i did that and i used distributive method and got 39-6y-y+4 but i'm stuck at this

Answer 6

=4*

Answer 7

@Nnesha

Answer 8

combine like terms