Register

Which variable will you choose to eliminate? How? 8x + 3y = -7 7x + 2y = -3? I need to show the work Can someone please help? Thank you

Which variable will you choose to eliminate? How? 8x + 3y = -7 7x + 2y = -3? I need to show the work Can someone please help? Thank you
232k views
5 votes
Which variable will you choose to eliminate? How?

8x + 3y = -7
7x + 2y = -3?

I need to show the work Can someone please help?
Thank you

User Grokodile
by
9.2k points

1 Answer

4 votes

Answer:

  • Variable elimination
  1. 8x+3y=-7
  2. 3y=-8x-7
  3. y=-8/3x-7/3
  • Now plug it into y
  • 7x-16/3x-14/3=-3
  • 5/3x-14/3=-3
  • 5/3x=5/3
  • x=1
User Balaji Kandasamy
by
8.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!