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OpenStudy (anonymous):
When solving the system by the elimination method, what occurs when the second row is multiplied by 6 and the two equations are added? {4x+6y=-2 and 3x-y=9
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OpenStudy (kropot72):
There is no term in y remaining. y terms have been eliminated.
OpenStudy (anonymous):
3x-y=9 Multiply by 6: 6 * ( 3x-y=9 )
OpenStudy (anonymous):
Can you multiply?
OpenStudy (kropot72):
4x + 6y = -2 18x -6y = 54 Adding gives: 22x = 52 \[x=\frac{52}{22}=2\frac{4}{11}\]
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