Question

Найдите x : a) x/18 = 2/3. b) 15/x= 3/4. c) 1= x/337. D) 33/x = 3

Answer 1

a) 3x=18*2
3x=36
x=36:3
x=12 b) 3x=15*4 3x=60 x=60:3 x=20