Determine whether the expressions are equivalent.
8 x+4 y is to 4(2 x+1)
Not equivalent. 8 x+4 y=6 x(4 y+2 x)
Equivalent. 8 x+4 y=8(x+4 y)
Not equivalent. 8 x+4 y=4(2 x+y)
Equivalent. 8 x+4 y=4(2 x+1)
