180= 56+2u+2u
180=56+4u
u= 31
Answer:
29/30
Step-by-step explanation:
Make sure that the two denominators are the same and then you simply add the numerators. In cases where the denominators are not the same, you find the lowest common denominator and adjust the fractions to keep them intact. You also simplify the answers to fraction problems whenever possible.
Answer:
each cd was 1 cent
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
x^2 – 10x = 7
Take the coefficient of x
-10
Divide by 2
-10/2 = 5
Square it
5^2 = 25
Add this to both sides
x^2 – 10x+25 = 7+25