Question

Y + 2x = −1
3y − x = 4

Answer 1

Answers below

Explanation:

Q1. 2x=−1−y

=

​2

​

​−1−y

​​

Q2. −x=4−3y

x=−4+3y

x=3y−4

Answer 2

Explanation:

Let's solve for x.

y+2x=−1

Step 1: Add -y to both sides.

2x+y+−y=−1+−y

2x=−y−1

Step 2: Divide both sides by 2.

2x

2

=

−y−1

2

x=

−1

2

y+

−1

2

Answer:

x=

−1

2

y+

−1

2