Question

0,3(5х-7)=3(0,2х+3,2)
4(1,2х+3,7)-2,8=5,2х

Answer 1

1,5х-2,1=0,6х+9,6
0,9x=11,7
x=13

4,8x+14,8-2,8=5,2x
0,4x=12
x=30