25(0,4x-2)-3,5=0,5x-1

Question

25(0,4x-2)-3,5=0,5x-1

Answer 1

10x-50-3,5=0,5x-1 9,5x=52,5 x=5 10/19

Answer 2

10х-50-3.5-0.5х+1=0 10.5х-52.5=0 10.5Х=52.5 Х=5