Question

3x-Y =10 and 2x + Y=5 solve the simultaneous equation​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

3x-y=10. -1

2x+y=5. -2

multiply eq.1 by 2 and eq.2 by 3 we get,

6x-2y= 20

and 6x+3y=15

solve the equations,,,,

subtracting, we get,

-5y = 5. y=-1

put y=-1 in eq.1

3x+1=10

3x = 9

x =3

x = 3 and y= -1

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