Question

4x8+19-x=28

Answer 1

32 + 19 - x = 28 

51 - x = 28 

x = 51 - 28 = 23

 

Answer 2

Lời giải:

$4\times 8+19-x=28$

$32+19-x=28$

$51-x=28$

$x=51-28=23$

Answer 3

4x8+19-x=28

4x8+(19-x)=28

32+(19-x)=28

19-x=28-36

19-x=(-8)

x=19-(-8)

x=19+8

x=27