Use properties to find the sum or product of 93+(68+7)

You can use the Associative Property to rearrange this expression into 

(93 + 7) + 68
 
Now, it's easier to see that 93 + 7 =100.

100 + 68 = 168

You can find the sum of the expression is 168 by using the Associative Property.

First find the value in the bracket that is 75 then do 75+93=168.

The solution to the system of equations (-2,2)