Question

resolva:
x
_ = 8
2

x
_ = -8
2

3x
_= 9
4

2x
_ = -10
3

x+4
_ = 1
6

Answer 1

x= 8 . 2
x= 16

x= -8 . 2
x = - 16

3x = 9 . 4
3x= 36
x = 36/ 3
x = 12

2x = - 10 . 3
2x = - 30
x = -30 / 2
x = - 15

x + 4 = 1 . 6
x + 4 = 6
x= 6 - 4
x = 2