Question

Select all expressions equivalent to 6x + 12 – 4x – 3 + 3x.

1. 2x+3x+15
2. 2x+3x+9
3. 5x+15
4. 5x+9

Select all expressions equivalent to 7x + (x + 2) + 4x.


1. 12x+2

2. 8x+2+4x

3. 11x+2

4. 7x+2+4x

Answer 1

Answer:

First task: 2., 5.

Second task: 1., 2.