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Novosadov [1.4K]
3 years ago
12

I don't know how to do systems of eliminations

Mathematics
1 answer:
Evgen [1.6K]3 years ago
4 0
The answer is (x,y)=(-5/6,-4/3)
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Find the 30th term of the following sequence. 1, 7, 13, 19,.. 174. 175. 180. 181.
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The first term a = 1, 

Common difference, d: 7 - 1 = 6.

a(n) =  a + (n -1)d,        

For 30th term.      =  1 + (30 -1)*6
 
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