Question

2x + 3y = -8
4x + 5y = -14​

Answer 1

Answer:

x = -1, y = -2

Step-by-step explanation:

2x + 3y = -8

4x + 5y = -14

By using elimination method,

we will try to eliminate x.

2x + 3y = -8 .......... X 2 = 4x + 6y = -16 .........(1)

4x + 5y = -14 ......... X 1  = 4x + 5y = -14 .........(2)

Now after changing the sign and substracting (2) from (1),

  4x + 6y = -16

-  4x + 5y = -14

(-)     (-)        (+)

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   0 + y = -2

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therefore y = -2,

Substituting value of y in (1),

2x + 3y = -8

2x + 3(-2) = -8

2x + (-6) = -8

2x - 6 = -8

2x = -8 + 6

2x = -2

x = -2/2

x = -1

Answer 2

Here's your answer.

1. 2x+ 3y= -8

= 2x +3×0 = -8.

Therefore x = -4.

2. 4x + 5y = -14

= 4x +5× 0= -14

Therefore, x = -7/2.

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