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2x + 3y - z = -4 x - y = -3 3x – 2y + 3z = 1 I really need help on how to simplify and how to do all the steps. Systems of equations using substitution
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2x + 3y - z = -4

x - y = -3
3x – 2y + 3z = 1
I really need help on how to simplify and how to do all the steps. Systems of equations using substitution

User Tankthinks
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please ask if u don't understand my handwriting lol

2x + 3y - z = -4 x - y = -3 3x – 2y + 3z = 1 I really need help on how to simplify-example-1
User Vin Burgh
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