Question

1.6(а-4)-0.6=3(0.4а-7)

Answer 1

1,6(a-4)-0,6=3(0,4a-7)
1.6a-6,4 -0,6=1.2a-21
1,6a-1,2a=-21+6.4+0.6
0,4a=-14
a=-35