Question

0,15(x-4)=-9,9-0,3(x-1)

Answer 1

0,15(x-4)=-9,9-0,3(x-1)
0,15х-0,6=-9,9-0,3х+0,3
0,15х+0,3х=-9,6+0,6
0,45х=-9
х=-9:0,45
х=-20