Question

3x + y +1 = 0 ; 2x −3y +8 = 0 ,Solve the given pair of equations by elimination method.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

3x+y+1=0--------(1)

2x-3y+8=0-----(2)

Multiply (1) by 3 we get,

9x+3y+3=0---------(2)

Adding (2) and (3) we get

2x-3y+8+9x+3y+3=0

11x+11=0

11x=(-11)

x=(-1)

Putting X=(-1) in (1) we get

3(-1)+y+1=0

-3+y+1=0

y=2

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