a) 16-x=21+8
16-x=29
x=16-29
x=-13
b)x - 32= - 22
x = - 22 +32
x = 10
a) \(\text{16 - x = 21 - (-8).}\)
<=> \(\text{16 - x = 29.}\)
<=> \(x=-13.\)
Vậy \(x=-13.\)
b) \(\text{x - 32 = (-5) - 17}.\)
<=> \(\text{x - 32 = -22}.\)
<=> \(x=10.\)
Vậy \(x=10.\)