Question

For parts A through E circle yes or no to indicate whether each of these expressions is equivalent to 2(2x+1)

Answer 1

2(2x+1)
A. Yes. When you expand the original equation you get 4x+2
B. Yes
2(1+2x)
2+4x
4x+2 (same equation as above)
C. No
2(2x) +1
4x+1 (not the same)
D. Yes; collect like terms
2x+1+2x+1
4x+2
E. Yes; collect like terms
X+x+x+x+1+1
4x+2

Hope this helps