4. Please don't ask pointless questions!
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Even when drowning in dreck, something worth learning could float by:
Considering other bases:
Since the character '2' is used, the base must be greater than 2.
In base-3: 2 + 2 = (1 1)3
In base-4: 2 + 2 = (1 0)4
In any base greater than 4, 2 + 2 = 4 .
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The anwser is 1 5/18
The anwser is 1,360. You can also do it by (500 + 60 + 8) + 700 + 90 + 2 = 1,360. The ( and ) means to add that up first befor you do the next.
hujkImproved anwser:2x+6 = 7x-42x-7x = -4-6-5x = -10x = 2
16 + 20 + 14 = 50 = 12 + 14 +14 + 10
If you work this out, the results are as follow (in bold):4x + 7 = -3xchanges to7 = -7xchanges to-1 = x is the anwser