Register

I'm not sure how to solve the systems of equations problem below 9x-4y= -7 7x-12= 39 What does X equal? What does Y equal?

I'm not sure how to solve the systems of equations problem below 9x-4y= -7 7x-12= 39 What does X equal? What does Y equal?
8.5k views
2 votes
I'm not sure how to solve the systems of equations problem below

9x-4y= -7
7x-12= 39

What does X equal?
What does Y equal?

User Dongdong
by
8.3k points

1 Answer

1 vote
solve the lower equation first

+12 on each side
7x=51
divide by 7
x=51/7

then use that to solve the upper equation
User Waris Shams
by
8.3k 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 =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!