Question

(x-12,5):3/4=8/5

Answer 1

(x-12,5):3/4=8/5

(x-12,5) = 8/5 x 3/4

x-12,5= 1,2

x        = 1,2+12,5

x        = 13,7 

hay x = 137/10

Answer 2

⇔x-12,5=6/5

⇔x=13,7

Answer 3

=>x-12,5=8/5x3/4=24/20=6/5

=>x=1,2+12,5=13,7

Answer 4

(x-12,5):3/4=8/5

( x - 12,5 ) = 8/5 x 3/4

( x - 12,5 ) = 6/5

x  - 12,5 = 6/5

x = 6/5 + 12,5

x = 13,7