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हल कीजिए -

x - y = -6

x + y = -18

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Best answer

x - y = -6             .......(1)

x + y = -18           .......(2)

समीकरण (1) से ,  x = y - 6    .......(3)

x का  मान समीकरण (2) में रखने पर,

y - 6 + y = -18

⇒ 2y - 6 = -18

⇒ 2y = -18 + 6 = -12

⇒ y = -6

y का  मान समीकरण (3) में रखने पर,

x = -6 -6 = -12

अत: x = 12 तथा y = -6

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