1. 7x-4y= -8 and x+2y= 14 solution as (x,y) pls help!!

Question

asked Jul 24, 2021 188k views

2 Answers

RamRovi · Answer 1 · 2021-07-27T20:50:20+0000

Answer:

(2 2/9, 12 5/9)

Explanation:

multiply both sides of x+2y=14 by 2: 2x+4y=28

Add 7x-4y=-8 and 2x+4y=28: 9x=20

x=20/9

Plug in 20/9 into x+2y=14: 20/9+2y=14

2y=11 7/9

y= 11 14/9

y= 12 5/9