Question

3x+5=0.5x+10
2.6+2x=1.9x+6.6

Answer 1

3x+5=0.5x+10
3х-0,5х = 10-5
2,5х= 5
х= 5/2,5
х= 2

2.6+2x=1.9x+6.6
2х-1,9х = 6,6-2,6
0,1х= 4
х= 4/0,1
х= 40