(х+4)=-2х 3(х-2)-5х=4 6х-4(х+1)=8 2х+(х-6)=3 -3х-(4-5х)=х 13х-2(х+1)=х

 1) -(x+4)=-2x; -x-4=-2x; x = 4

2) 3(х-2)-5х=4; 3x-6-5x = 4; 2x = -10; x = -5

3) 6х-4(х+1)=8; 6x -4x - 4 = 8; 2x = 12; x = 6

4) 2х+(х-6)=3; 2x + x - 6 = 3; 3x = 9; x = 3

5) -3х-(4-5х)=х; -3x -4 + 5x = x; x = 4

6) 13х-2(х+1)=х ; 13x - 2x - 2 = x; 10x = 2; x = 1/5 = 0.2