x +55-6+17=100
x + 45 - 6 = 100 - 17
x + 45 -6=83
x+45=83+6
x+45=89
x= 89 - 45
x=44
k mk nha
x + 45 - 6 + 17 = 100
x + 45 - 6 = 100 - 17
x + 45 - 6 = 83
x + 45 = 83 + 6
x + 45 = 89
x = 89 - 45
x = 44
x+ 45-6 + 17 = 100
x + 45-6 = 100 - 17
x+ 45 - 6 = 83
x+45 = 83+6
x+ 45 = 89
x = 89-45
x = 38
X+55-6+17=100
<=> x+66=100
<=>x=100-66
=>x=44.
x + 45 - 6 + 17 = 100
x + 45 - 6 = 100 - 17
x + 45 - 6 = 83
x + 45 = 83 + 6
x + 45 = 89
x = 89 - 45
x = 44
x + 45 - 6 + 17 = 100
x + 45 - 6 = 100 - 17
x + 45 - 6 = 83
x + 45 = 83 + 6
x + 45 = 89
x = 89 - 45
x = 44