Question

0.8х-3/0.3=0.6х-8.4/-9

Answer 1

-9(0,8x-3)=0,3*(0,6x-8,4)
-7,2x+27 = 0,18x-2,52
0,18x+7,2x=27+2,52
7,38x=29,52
x=29,52:7,38
x=4