Question

0.3(5x-7)=3(0.2x+3.2)

Answer 1

0.3(5х-7)=3(0.2х+3.2)
1,5х-2,1=0,6х+9,6
1,5х-0,6х=9,6+2,1
0,9х=11,7
х=11,7/0,9
х=13

Answer 2

пасиб

Answer 3

1,5x-2,1=0,6x+9,6
1,5x-0,6x=2,1+9,6
0,9x=11,7
x=13