Answer:
130/81
simplified: 1 49/81
Step-by-step explanation:
I did the math
It should be a plus sign not equal sign
1/2(9x+12+8x-6) = 2x+30
Answer:
-18280
Step-by-step explanation:
Given,
x = 101
-------------------------
(x-10²)-x(x+80)
=≽ (101-10²)-101(101+80)
=≽ (101-100)-10201+8080
=≽ 1-10201+8080
=≽ 1-18281
=≽ -18280
I took it, and assuming I'm reading your question right, it's D: an=2/3*9^n-1
