Practice problem
Which of these is another way of expressing 2x+62x + 62x+6?
3x−1+73x - 1 + 73x−1+7
2x+4+22x + 4 + 22x+4+2
3x−x+43x - x + 43x−x+4
4x−2x+7−14x - 2x + 7 - 14x−2x+7−1
Type a concept, like “slope” or “photosynthesis”.