Question

решите уравнение 1,75 х Х =4,75

Answer 1

(1 1/12+3,75)-(-х)=4,5 
(13/12+375/100)+х=45/10  13/12+375/100=13/12+75/20=(130+450)/120=580/120=29/6
29/6+х=45/10
х=29/6-45/10                    29/6-45/10=(145-135)/30=10/30=1/3
х=1/3