Question

Уравния 
4х-1=2(х+3)
5х+0.9=3(х-1.5)
4(3х-0.6)=-3(4х-0.8)

Answer 1

1) 4x-1=2x+6
    4x-2x=6+1
     2x=7
      x=3.5
2) 5x+0.9=3x-4.5
    5x-3x=-4.5-0.9
    2x=-5.4
     x=-2.7
3) 12x -2.4=-12x+2.4
     12x+12x=2.4+2.4
       24x=4.8
        x=0.2