3+7(p−11)
3+7 x p−7x ? <-Apply the Distributive Property and multiply.
3+7 x p− ?
7 x p+3− ? <-Apply the Commutative Property of Addition and subtract.
7 x p−74
Answer the question marks in the equations
3 + 7 x p - 7x? = 3 + 7p - 77x
7 x p + 3 - ? = 7p + 3 - 74
7p + 3 - 74 = 7p - 71