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Home Q & A Board Science-Related Homework Help Mathematics
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rini rini
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11 years ago
How do we solve a a system of three equations in three variables? I cannot find an example of how to do it.

20=400a+20b+c

110=1600a+40b+c

295=3600a+60b+c
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#1
11 years ago
Hint:  use cramer's rule.
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Michi09Michi09
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11 years ago
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This verified answer contains over 160 words.
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wrote...
#3
11 years ago
{a =  19/160,

 b  =   -(21/8),

c  = 25}
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