Question

1) जर 3x+4y=11,4x +3y-10 तर x+y ची किंमत काढा.​

Answer 1

If 3x + 4y = 11,4x + 3y-10 then find the value of x + y

$\underline{\textsf{Given:}}$

$\mathsf{3x+4y=11}$

$\mathsf{4x+3y=10}$

$\underline{\textsf{To find:}}$

$\textsf{The value of x+y}$

$\underline{\textsf{Solution:}}$

$\textsf{Consider,}$

$\mathsf{3x+4y=11}$

$\mathsf{4x+3y=10}$

$\textsf{Adding the equations, we get}$

$\mathsf{7x+7y=21}$

$\textsf{Divide bothsides by 7}$

$\mathsf{x+y=3}$

$\underline{\textsf{Answer:}}$

$\textsf{The value of x+y is 3}$

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