Tìm x, biết: a) (x - 3.5).12 = 0; b) 35. (x - 10) = 35; c) ( x - 5): 3 + 3 = 24

a) (x - 3.5).12 = 0

x - 3.5 =0

x =15

b) 35. (x - 10) = 35

x - 10=35:35

x - 10 =1

x = 11

c) ( x - 5): 3 + 3 = 24

( x - 5): 3 = 24 - 3

( x - 5): 3 = 21

x - 5 = 63

x = 68

d) ( x - 4) : 3 - 2 = 100

( x - 4) : 3 = 100 + 2

x - 4 = 306

x = 310