а) 3(2x-0,8)=2(3x-1,2)
6x-2,4-6x+2,4 = 0
6x-6x-2,4+2,4 = 0
0x-0 = 0
x = 0
б) 5(2x-0,4)-3x=7x-2
10x-2-3x-7x+2 = 0
10x-3x-7x-2+2 = 0
а) 3(2x-0,8)=2(3x-1,2)
6x-2,4-6x+2,4 = 0
6x-6x-2,4+2,4 = 0
0x-0 = 0
x = 0
б) 5(2x-0,4)-3x=7x-2
10x-2-3x-7x+2 = 0
10x-3x-7x-2+2 = 0
0x-0 = 0
x = 0