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14 votes
X+4y=3

-5x - 20y = –15

A) what is the solution?

B) please explain with work shown, how you know your solution in part A is correct.

User Hasienda
by
8.1k points

2 Answers

9 votes

Answer:

sorry but it is undefined

User Cketti
by
8.2k points
5 votes

Answer:

Multiply (1) by 5.

5x+20y=15

-5x-20y=-15.

Add

0=0.

Infinetly many solutions.

I know this is correct because if i do -(-5x-20y=-15)

it will be 5x+20y=15 which is the same as (1)

Hope this helps plz hit the crown :D

User Arvik
by
8.1k points

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