jika k adalah penyelesaian dri persamaan 3(2x-4) = 4(2x-1) nilai k +3

6x - 12 = 8x - 4
-12 + 4 = 8x - 6x
- 8 = 2x
- 4 = x

Jika x = k,
Maka,

- 4 + 3 = - 1

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

k + 3 = -4 + 3 = -1