5. Systems With Three Variables
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Can you manipulate the coefficients of any variable terms such that they could be eliminated?
(0,3,-2)
(I): Subtract (III)
(I): Subtract term
(I): Distribute -1
(I):LHS+2y=RHS+2y
(I): LHS+3z=RHS+3z
(II):z= -2
(II): Remove parentheses
(II): LHS+2=RHS+2
(III): y= 3, z= -2
(III): Multiply
(III): Subtract term
(I), (II), (III): Substitute values
(I), (II), (III): Multiply
(I), (II), (III): Add and subtract terms