1) 2x-(5х-6)=7+(х-1)
2x-5x+6=7+x-1
2x-5x-x=7-1-6
-4x = 0
x = 0 : (-4)
x = 0
2)3х-1=2х-(4-х)
3x-1 = 2x-4+x
3x-3x-x=-4+1
-x = -3
x = 3
3)5х-(2х-9)=6+(х+3)
5x-2x+9 = 6+x+3
5x-2x-x = 6 + 3 - 9
2x = 0
x = 0 : 2
1) 2x-(5х-6)=7+(х-1)
2x-5x+6=7+x-1
2x-5x-x=7-1-6
-4x = 0
x = 0 : (-4)
x = 0
2)3х-1=2х-(4-х)
3x-1 = 2x-4+x
3x-3x-x=-4+1
-x = -3
x = 3
3)5х-(2х-9)=6+(х+3)
5x-2x+9 = 6+x+3
5x-2x-x = 6 + 3 - 9
2x = 0
x = 0 : 2
x = 0