Step-by-step explanation:
Multiply the number outside the brackets to the numbers inside:
So,
9 * 9x = 81x
9 * 2y = 18y
9 x -6 = -54
So the simplified or equivalent expression is:
81x + 18y - 54
Answer:
What do you want for the answer?
This?
500-50n
Step-by-step explanation:
Answer:
1) 144
2) 1
Step-by-step explanation:
1Distributive
2Commutative
3Associative
4Commutative
5Associative