38.4k views
22 votes
Y = x + 2
5x - 4y = -3
Solving systems by equations

User Likso
by
7.7k points

1 Answer

13 votes

Answer: x = 5, y = 7

Explanation:

First, put the variables together/rearrange:

y - x = 2 & 5x - 4y = -3

Cancel out variable x by multiply the first equation by 5:

5y - 5x = 10 & 5x - 4y = -3

Add equations:

y = 7

Then determine x by plugging y back into the first equation y = x + 2:

x = 5

User Jonas Dellinger
by
7.2k points

No related questions found

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