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A set of linear equations can be solved by two methods
(i) Elimination method
(ii) Substitution method
Both methods work equally fine.
Here i will used substitution method
Let number the equations as below
Now use (2) in (1) that is replace y with 3 in (1), as shown below
Now let us check that our answer make sense
use both values of x and y in (1) to check that equality sign(=) is correct
2+3=5 is a correct statement.
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