Question

*रैखिक समीकरण युग्म x - y = -1 तथा 3x + 2y = 12 का हल ज्ञात कीजिए।*

1️⃣ -1, 0
2️⃣ 4, 0
3️⃣ -1, 4
4️⃣ 2, 3​

Answer 1

X - y = - 1 (1)

3x+2y=12 (2)

multiply 3 in the whole first equation after multiple , first equation - second equation

3x-3y= - 3

3x+2y= 12

- - -

-----------------

-5y = - 15

y = -15/-5

y = 3

put the value of y in the first equation

x-3 = -1

x = 2

finally

your answer

2,3

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