Question

Justify each step
-12p+45-7p

Answer 1

Given, Associative, Commutative, Associative, Addition

Explanation:

-12p + 45 -7p Given

-12p + (45 - 7p) Associative

-12p + (-7p + 45) Commutative

(-12p + -7p) + 45 Associative

-19p + 45 Addition