Question

9,54-4,74/(0,3х+0,49х)=8,94

Answer 1

1)0,3х + 0,49х = 0,79х

2)4,74 : 0,79х = 6х

6х = 9,54 - 8,94

6х = 0,6

х = 06 : 6

х = 0,1