Answer:
-11
8 = 2x + 30
8 - 30 = -22
-22 ÷ 2 = -11
x = -11
Also if you place 2×(-11) + 30 you get 8
Commutative property of addition
Answer:
6,050,000
Step-by-step explanation:
With and , we have
Then has critical points where
where is any integer.
is increasing wherever , which happens for
412/84 = 4 R 76 <- you will have a remainder