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hello : x − 3y = −2 ....() x + 3y = 16...... (2) (2) - (1) : 6y =18 y =3 subsct in (1): x -3(3) = -2 x =7 the solution is : (7 , 3)
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hello : x − 3y = −2 ....() x + 3y = 16...... (2) (2) - (1) : 6y =18 y =3 subsct in (1): x -3(3) = -2 x =7 the solution is : (7 , 3)