2,4x-5(0,2x+4,2)=0,4x+5,8. (1,5x+3,4):2,5=(4x-5,9):5
2.4x-5(0.2x+4.2)=0.4x+5.8 2.4x-1-21=0.4x+5.8 2.4x-0.4x=5.8+1+21 2x=27.8 x=13.9 (1.5x+3,4):2,5=(4x-5,9):5 0.6x + 1.36=0.8x-1.18 0.6x-0.8x=-1.18-1.36 -0.2x=2.52 x=12.6
2,4х-1х+3=0,4х+5,8
2,4х-1х -0,4х= - 3 + 5,8
1х= 2,8
х=2,8
(1,5х + 3,4) : 2,5 = (4х - 5,9) :5
1.5х - 4х= (- 3,4 - 5.9) :7,5
- 2.5х= - 1,24
х= (-1.24) : (-2.5)
х= 0,496