Question

2x + 15 = -27

Answer 1

2x + 15 = -27

2x = -27 - 15

2x = -42

x = -42 : 2

x = -21

Answer 2

2x+15=−272x+15=−27

⇒2x=−42⇒2x=−42

⇒x=−21

Answer 3

x=-21

Answer 4

2x + 15 = -27

2x = -27 - 15

2x = -42

x = -42 : 2

x = -21

Answer 5

2x = -27 – 15

2x = - 42

x = (-42) : 2

x = - 21

Answer 6

2x=-27-15

2x=-42

x=-21

Answer 7

2x + 15 = - 27

2x         = - 27 - 15

2x         = - 42

 x          = - 42 : 2

 x          = - 21

Answer 8

2x + 15 = -27

        2x = (-27) - 15

        2x = -42

        2x = (-42) : 2

        2x = -21

vậy x = -21