Question

знайти решение 10х+1,5*(2,3-1,7)=13,45
расписать решение

Answer 1

10X+1.5*(2.3-1.7)=13.45                                                                                            
10X+1.5*0.6=13.45
10X+0.9=13.45
10X=13.45-0.9
10X=12.55
X=12.55:10
X=1.255