Register
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. 4x + 5y = -6 -4x + 9y = -22 Answers: Subtract to eliminate y. Subtract to eliminate x. Add to eliminate
39.9k views
4 votes
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

4x + 5y = -6
-4x + 9y = -22

Answers:
Subtract to eliminate y.
Subtract to eliminate x.
Add to eliminate y.
Add to eliminate x.

User Mdmundo
by
6.9k points

1 Answer

6 votes

Answer:

Explanation:

Right Answer: Add to eliminate X


4x+ (-4x)+5y+9y=-6+(-22)\\14y=-28\\y=(-28)/(14) \\y=2

User Denn
by
8.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

What is .725 as a fraction
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?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!