Question

Y = 12
2x -y = 4

What is the solution of the system?​

Answer 1

Explanation:

2x-12=4

1. 4+12 is equal to 16
2. 16÷2 is equal to 8

Check

2×8-12=4

16-12=4

Answer 2

2x-12=4
put the 12 in place of y since they equal each other
2x=16
add 12 to both sides
x=8
divide both sides by 2