Question

Choose ALL of the following that would simplify to 2x +1

1. 3 + x +X-1
2. 1/2(4x + 1)
3. 3x - 4x + 1
4. 1/3(6x + 3)
5. y + 2x - 5-y + 6

Answer 1

4 and 5

Explanation:explanation for how to evaluate ( number 5 )

5.

y+2x−5−y+6

=y+2x+−5+−y+6

Combine Like Terms:

=y+2x+−5+−y+6

=(2x)+(y+−y)+(−5+6)

=2x+1