Question

1.X-5=12+8-0

2.X-8+2=14

Answer 1

1,

x-5=18+8-0

x-5=26-0

x-5=26

   x=26+5

   x=31

2,

x-8+2=14

x-8    =14-2

x-8    =12

   x    =12+8

   x    =20

Answer 2

1. X - 5 = 12 + 8 - 0

    X - 5 =   20

          X = 20 + 5

          X = 25

2. X - 8 + 2 = 14

          X - 8 = 14 - 2

          X - 8 = 12

                X = 12 + 8

                X = 20

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Answer 3

x-5 = 12+8-0   suy ra  x-5 = 20   suy ra x = 20+5= 25

x-8 +2=14      suy ra x-6 =14        suy ra x= 14+6 =20