1 4(x-1)=3(x+1) 2 -(x+1)=2 3 x=1-3(x+1) 4 (x+1)-(1-x)=1

1. 4x-4=3x+3 x=7 2. -x-1=2 -x=3 /*(-1) x=-3 3. x=1-3x-3 4x=-2 /:4 x= - 1/2 4. x+1-1+x=1 2x=1 /:2 x=1/2

1) 4(x - 1) = 3(x + 1) 4x - 4 = 3x + 3 x = 7 2) -(x + 1) = 2 - x - 1 = 2 - x = 3 / : ( - 1) x = - 3 3) x = 1 - 3(x + 1) x = 1 - 3x - 3 4x = - 2 / : 4 x = - 1/2 4) (x + 1) - (1 - x) = 1 x + 1 - 1 + x = 1 2x = 1 / : 2 x = 1/2