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what should you multiply the first equation (top equation) by in order to eliminate the variable x when the two equations are added together? 3x-y=1 -12x+y=7
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what should you multiply the first equation (top equation) by in order to eliminate the variable x when the two equations are added together? 3x-y=1 -12x+y=7

User Mahdi Alkhatib
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1 Answer

4 votes
Multiply by 4.
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User Jalmarez
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