simplify:

Question

a)9x+9-1
b)10n-4n
c)-8v+6(10+6v)
d)7(9k+8)+3(k-10)

a)x=?
b)n=?
c)v=?
d)k=? (please help)

Answer 1

9x - 8
6n
28v + 60
66k + 26

There are no equations, so we don't know the values of the letters.