document.write( "Question 1078144: Add 2 times R₂ to R₃ in the matrix linked below. Thank you!
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Algebra.Com's Answer #692660 by Fombitz(32388) $\"\"$ $\"About$

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2(-2,1,1)+(2,2,2)=(-4,2,2)+(2,2,2)=(-2,4,4)
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