Step-by-step explanation:
7a (2x + 5y - 4z)
it can't be broken down any lower.
Answer:
100
Step-by-step explanation:
the answer is there is only 1 solution
Answer:31/40
Step-by-step explanation:
To add you have to have a common denominator. To get that you can multiply each fraction by one in different ways. 2/5 *8/8= 16/40 and 3/8* 5/5= 15/40 and then add those two to give you 31/40.
There should not be a -5 outside of the parenthesis in the second line