Question

Which expression is equivalent to perimeter expression 5+5+2x+x+2x.

A.5+4x
B.10+4
C.5+5x
D.10+5x

Answer 1

D.10+5x

Explanation:

add all X's together, 2x+x+2x= 5x

then add the 5+5=10

leave the 10 alone because it cannot combine with the 5x

so then it becomes 10+5x