Question

\(\left(2x+7\right)+135=0\)

Answer 1

=>2x+7=-135

=>2x=-142

hay x=-71

Answer 2

`(2x+7)+135=0`

`2x+7=0-135`

`2x+7=-135`

`2x=-135 - 7`

`2x=-142`

`x=-142:2`

`x=-71`

Answer 3

2x + 7 = 0 - 135

2x + 7 = - 135

2x = - 135 - 7

2x = -142

x = -142 : 2

x = -71

vậy x = - 71

Answer 4

`(2x+7)+135=0`

`2x+7=-135`

`2x=(-135)-7`

`2x=-142`

`x=(-142)/2`

`x=-71`

Answer 5

`(2x + 7) + 135 = 0`

`2x + 142 =0`

`2x = -142`

`x = -71`