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Consider the system of linear equations. To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied? –2 …

Consider the system of linear equations. To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied? –2 …
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1 vote
Consider the system of linear equations.

To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied?
–2
-1/2
1/2
2

Consider the system of linear equations. To use the linear combination method and-example-1
User Bonfix Ngetich
by
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1 Answer

3 votes
It should be multiplied by -2.
Then the first x term will be -10x, and the second will be 10x, so they can be added together to make 0x, and that eliminated x.
User Jbbae
by
7.7k points
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