SOLUTION: Use the commutative and/or associative laws to show why the expression on the left is equivalent to the expression on the right. Write a series of steps with labels, as in 4 + (9 +

Algebra ->  Functions -> SOLUTION: Use the commutative and/or associative laws to show why the expression on the left is equivalent to the expression on the right. Write a series of steps with labels, as in 4 + (9 +      Log On


   

Question 453337: Use the commutative and/or associative laws to show why the expression on the left is equivalent to the expression on the right. Write a series of steps with labels, as in 4 + (9 + x) is equivalent to x + 13


Thanks very much for helping me and explaining!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
4 + (9 + x) ... Start with the given expression.


(4 + 9) + x .... use the associative law of addition


(13) + x ... Add


13 + x ... Remove parenthesis


x + 13 ... Use the commutative law of addition.


So 4 + (9 + x) is equivalent to x + 13