The answer is A because you would do 79 x 0.05 which equals 3.95 . So you subtract 3.95 from 79 which is 75.05 minus 50 equal to 25.05
Hey there!
Assuming you meant

If so, follow these steps so it can be a little bit easier to solve
Firstly, we have to
by
on each of your sides


We get: 
Now, we have
by
on each of your sides


We get: 
± 
Therefore , your answer is:
±
Good luck on your assignment and enjoy your day!
~
Answer:
I don't understand the language but I can do it
Answer:
13x-9
Step-by-step explanation:
9×(x - 1)
9x - 9 +4x
collect like terms, 9x+4x=13x