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OpenStudy (anonymous):
se the substitution method to find all solutions of the system of equations. 2x+ y= 11 x +2y= 4
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OpenStudy (anonymous):
use*
OpenStudy (anonymous):
\[y = 11 - 2x\]
OpenStudy (anonymous):
substitute in the second equation \[x + 2(11-2x)=4\]
OpenStudy (anonymous):
solve for x -3x =4-22 x= 6
OpenStudy (anonymous):
go back to first equation \[y= 11- 2(6)\] y= -1
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