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I believe this is substitution algebra2 2x+3y-2z=1 -x-y+2z=5 3x+2y-3z+=-6
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I believe this is substitution
algebra2
2x+3y-2z=1
-x-y+2z=5
3x+2y-3z+=-6

User Ludell
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1 Answer

5 votes
Yes you have to substitute!
User Mishax
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