Question

x+5-3=4

10-x+3=4+3+1

tìm x

Answer 1

a)x=4+3-5

x=2

b)10-x+3=8

10-x=8-3

10-x=5

x=10-5

x=5

Answer 2

x+5-3=4

x+5   =4+3

x+5   =7

x       =7-5

x       =2

Vậy x=2

10-x+3=4+3+1

10-x+3=8

10-x    =8-3

10-x    =5

     x    =10-5

     x    =5

Vậy  x=5

Answer 3

x+5-3=4 =>x+2=4 =>x=2

10-x+3=4+3+1 =>13-x=8 =>x=5

vô lí

Answer 4

1) x+5-3=4

x+5=4+3

X+5=7

    x=7-5

    x=2

2)10-x+3=4+3+1

   10-x+3=8

    10-x=8-3

     10-x=5

         x=10-5 

         x=5

Answer 5

x + 5 - 3 = 4

x + 5 = 4 + 3

x + 5 = 7

x = 7 - 5

x = 2

10 - x + 3 = 4 + 3 + 1

10 - x + 3 = 8

10 - x = 8 - 3

10 - x = 5

x = 10 - 5

x = 5

Answer 6

x+5-3=4

x+5=4+3

x+5=7

x=7-5

x=2

10-x+3=4+3+1

10-x+3=8

10-x=8-3

10-x=5

x=10-5

x=5