Solve the following system of equation(a) 2x-y=11 and 5x +4y=1 – InterviewSolution

1.

Solve the following system of equation(a) 2x-y=11 and 5x +4y=1

Answer»

2x -y =11-y = 11-2xy = 2x-11 ----- Eq 15x + 4y = 1 ---- Eq 2Substituting value of y in Eq 2.5x + 4(2x -11) = 15x +8x -44 =113x = 45x = 13/45

y = 2x - 11y = 2 *13/45 -11 = 26/45 -11.

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