Asked by tikenya

how do u solve a system of linear equations in three variables?
for example this problem
Ex.1 2x-2y+z=3
5y-z=-31
x+3y+2z=-21

Answers

Answered by TutorCat
http://www.mathwarehouse.com/algebra/planes/systems/three-variable-equations.php
Answered by Anonymous
y=3x+4
Answered by regina
81x2-18x+1
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