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I need help with this, I think the first two are right but if not correct me, anyway I need help with C and D D is: "use substitution to solve the system for X. show your work"​
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I need help with this, I think the first two are right but if not correct me, anyway I need help with C and D

D is: "use substitution to solve the system for X. show your work"​

I need help with this, I think the first two are right but if not correct me, anyway-example-1
User Renard Korzeniowski
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Muiltiply x and y on both problems by two.
User Mproffitt
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