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

User Ben Davis
by
4.2k points

2 Answers

3 votes

Answer:

29,-14

Explanation:

User Noahlz
by
4.2k points
5 votes

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

User RamRovi
by
4.1k points
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