Respuesta :

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

Step-by-step 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