SOLUTION: . x + 3y − z = a
x + y + 2z = b
2y − 3z = c
solve the following systems, where a, b,
and c are constants.
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Question 1122615: . x + 3y − z = a
x + y + 2z = b
2y − 3z = c
solve the following systems, where a, b,
and c are constants.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
-------------------------------------
. x + 3y − z = a
x + y + 2z = b
2y − 3z = c
-------------------------------------
From first two equations,
Revision to simpler system:
Returning to
Add corresponding members,
from the very first equation,
substitute for y and z, simplify from that.
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