Question

x-[42+(-28)]=-8

 

Answer 1

x-14=8

x=8+14

x=22

Answer 2

x-[42+(-28)]=-8

x- 14 = -8

x      = -8 +14

x      =   6

Vậy x = 6

Answer 3

nhầm

x-14=-8

x=-8+14

x=6

Answer 4

 \(x-\left[42+\left(-28\right)\right]=-8\)

\(x-14=-8\)

\(x=\left(-8\right)+14\)

\(x=6\)

Vậy \(x=6\)

Answer 5

x - [ 42 + (-28 ) = -8

x - 42 + 28 = -8

x = -8 - 28 + 42

x = 22