Question

resolva a equação: sendo U=Q : 2x-4-8=4x

Answer 1

2x - 4 - 8 = 4x
2x - 12 = 4x
- 12 = 4x - 2x
- 12 = 2x
2x = - 12
x = -12/2
x = - 6

Resp.: U = Q; x = - 6.

Answer 2

2x-4-8= 4x
-12 =4x-2x
-12 = 2x
2x= -12
x= -12/2
x= -6
U=Q: x= -6