Question

15x(36xa-12xa):120=3 verificati egalitatile

Answer 1

15 x ( 36 a - 12 a ) : 120 = 3
15 x 24a : 120 = 3
15 x 24a = 3 x 120
15 x 24a = 360
24 a = 360 : 15
24 a = 24
a = 24 : 24
a = 1

15 x ( 36 x 1 - 12 x 1 ) : 120 = 15 x ( 36 - 12 ) : 120 = 15 x 24 : 120 = 360 : 120 = 3