Question 447221
2x + 3(x + 1) = 4(x - 1)
 2x + 3x + 3 = 4x -4
      5x +3 = 4x -4
    -5x         -5x 
            +3 = -1x -4
         +4             +4
                7 =  -1x
             ___   ____
             -1         -1
                  -7 = x