1/3(3х-1/2)-(1/3-1/4х)=-2(1/2х-5)
x - 1/6 - 1/3 + 1/4x = -x + 10
1 1/4x - 1/2 = -x + 10
1 1/4x + x = 10 + 1/2
2 1/4x = 10 1/2
x = 10 1/2 : 2 1/4
x = 21/2 * 4/9
x = 14/3
x = 4 2/3
-4(2х-1)-(х-3)-4(-х-3)=-3(3х-4)
-8x + 4 - x + 3 + 4x + 12 = -9x + 12
-5x + 19 = -9x + 12
-5x + 9x = 12 - 19
4x = -7
x = -7:4
x = -1,75