Which property does each equation demonstrate?

x2 + 2x = 2x + x2



(3z4 + 2z3) – (2z4 + z3) = z4 + z3



(2x2 + 7x) + (2y2 + 6y) = (2y2 + 6y) + (2x2 + 7x)

1 answer

The first equation demonstrates the commutative property of addition.

The second equation demonstrates the distributive property.

The third equation demonstrates the commutative property of addition.