help. please read the instructions follow the example and answer the questions
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the coefficient of these equation compre both
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1) Identifying the terms which are easy to be eliminated.
2)If numerical coefficients are same then we have to subtracting them or if they are with opposite signs then we have to adding them.
3)To eliminate term 1 using operation is subtractaction and for term 2 is addition.
4)in term 3 y is directly eliminated by addition
In term 4 we have to multiply second equation with some number according to the first equation.
5)
In 3, second equation can be written as x-y=2
and in 4 second equation is multiplied by 2 then it will be 10x-4y=8
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