Answer:
4x - 7
Step-by-step explanation:
x + 2x + 3x - 2x = 4x
-8 + 1 = -7
Answer:
Step-by-step explanation:
Do you mean 'nine and eighty four hundredths' in standard form? If so, it will be:
9.84
6a-(n-1)(3a) is the nth term
Expanding we get 6a-3an+3a=9a-3an=3a(3-n)
SOLUTION: nth term is 3a(3-n)