For numbers 1a-le, select yes or no to indicate whether each
of these expressions is equivalent to 2(2x + 1).
1a.
o yes
no
yes
no
4x + 2
2(1 + 2x)
2(2x) + 1
2x + 1 + 2x + 1
x + x + x + x + 1 + 1
yes
yes
yes
o no
no
no