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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

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

asked
User Mahdi Alkhatib
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8.8k points

1 Answer

4 votes
Multiply by 4.
______
answered
User Jalmarez
by
8.1k points
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