7.7 the answer in 7.7 because 2+5 = 7 and 3+4= 11
Answer:
a = 15
Step-by-step explanation:
First, you have to combine like terms: 5a and 3a, -5, -15, 6, and 4.
You can do it in any order and you will always get a = 15 for your answer.
Hope this helps!!!
Answer:
Step-by-step explanation:

First let's multiply the 1st equation by 10.

So, we can see that the equations have the same coefficients and that implies they are equal.
So the equation has no solutions for. 
Answer:
If you are looking for x your answer will be x=2
Answer:
a,b,d,e
answered in the first question