Register
2. Using the substitution method Zoe is solving the following system of equations algebraically: y + 5x = -2 4x - 7y=-14 Which equivalent equation could Zoe use? (1) 4(-5x - 2) + 5x =-14 (3) 4x - 7(- 5x
140k views
1 vote
2. Using the substitution method Zoe is solving the following system of

equations algebraically:
y + 5x = -2
4x - 7y=-14
Which equivalent equation could Zoe use?
(1) 4(-5x - 2) + 5x =-14
(3) 4x - 7(- 5x – 2)=-14
(2) 4(5x – 2) + 5x =-14
(4) 4x – 7(5x – 2)=-21

User Rckehoe
by
5.7k points

1 Answer

4 votes
1. You want to get one variable by itself, in this case Y in the first one is easier. You would get y = -5x -2, so you substitute that in for Y in the second equation
User Exos
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
Link Copied!