First you need to distribute the 2 into each equation and then add like terms. the answer is 6x + 8
There should not be a -5 outside of the parenthesis in the second line
Answer:

Step-by-step explanation:
In triangle XYZ, the lengths of sides are
If
then
and

The greatest angle is opposite to the greatest side, the smallest angle is opposite to the smallest side, so
- the greatest side is
- the greatest angle is 
- the smallest side is
- the smallest angle is 
Thus,

Answer:
the probability that the couple will have a girl is 1/2.
Step-by-step explanation:
I hope this helps:)