-3x=2x-10 -3x-2x=-10 -5x=-10 x=2 2x-2=7-x 3x=9 x=3 10=4-2x 2x=-6 x=-3 -(2x-1)=4 -2x+1=4 -2x=3 x=- 3/2 2(x+1)=x 2x+2=x x=-2 2t-(3t+1)=6 2t-3t-1=6 -t=7 t=-7 -(4+x)=2(3-x) -4-x=6-2x x=10 3(y+6)-y=2(y+9) 3y+18-y=2y+18 2y=2y 0=0 (x-7)-2(3x+5)=3 x-7-6x-10=3 -5x=20 x=-4
-3x=2x-10 -3x-2x=10 -5x=10 |:(-5) x=2 2x-2=7-x 2x+x=7+2 3x=9 |:3 x=3 10=4-2x 2x=4-10 2x=-6 |:2 x=-3 -(2x-1)=4 -2x+1=4 -2x=4-1 -2x=3 |:(-2) x=-3/2 2(x+1)=x 2x+2=x 2x-x=-2 x=-2 2t-(3t+1)=6 2t-3t-1=6 -1t=6+1 -t=7 |:(-1) t=-7 -(4+x)=2(3-x) -4-x=6-2x -x+2x=6+4 x=10 3(y+6)-y=2(y+9) 3y+18-y=2y+18 3y-y-2y=18-18 0=0 (x-7)-2(3x+5)=3 x-7-6x-10=3 x-6x=3+7+10 -5x=20 |:(-5) x=-4
