Question

By elimination method - ×+y=5
3x+2y=8

Answer 1

Answer:

$- x + y = 5 + 3x + 2y = 8 \\ 3 {x}^{2} + 2 {y}^{2} = 40 \\ {x {}^{2} {y}^{} }^{2} = 3 - 2 - 40 \\ {x}^{2} {y}^{2} = - 39$

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Answer 2

Answer:

y=23/5 and x= 2/5

Step-by-step explanation:

-x+y=5 i

3x+2y=8  ii

multiplying the equation i by 3

-3x+3y=15  iii

adding equation ii and iii

we will get 5y=23

y=23/5

substituting value of y in equation i

-x+23/5=5

-x=5-23/5

-x=25-23/5

-x=2/5

x=-2/5

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