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Find Gauss Elimination Back Substitution 7y+2x=11,3x-y=5 [ Calculator, Method and examples ]

Solution:
Your problem `->` Gauss Elimination Back Substitution 7y+2x=11,3x-y=5


Total Equations are `2`

`2x+7y=11 -> (1)`

`3x-y=5 -> (2)`

Converting given equations into matrix form
`2``7``11`
`3``-1``5`


`R_2 larr R_2-3/2xx R_1`

 = 
`2``7``11`
 `0` `0=3-3/2xx2`
`R_2 larr R_2-3/2xx R_1`
 `-23/2` `-23/2=-1-3/2xx7`
`R_2 larr R_2-3/2xx R_1`
 `-23/2` `-23/2=5-3/2xx11`
`R_2 larr R_2-3/2xx R_1`


`i.e.`

`2x+7y=11 ->(1)`

`-23/2y=-23/2 ->(2)`

Now use back substitution method





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