Question

Find the values of x and y which will satisfy the equations 2x + 3y = 4 and 3x – y = -5

Answer 1

Answer:

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Step-by-step explanation:

X = 1 Y =-2

Answer 2

Answer:

2x+3y=4 -eq. (1)

3x-y=5 -eq.(2)

Step-by-step explanation:

By elimination method

2x+3y=4 -eq.(1)

multiply eq.(1)by3

we get,

6x+9y=12 -eq.(3)

3x-y=5 -eq.(2)

multiply eq.(2) by2

we get,

6x-2y=10 -eq.(4)

Now,

Subtract eq.(2) from eq.(1)

6x+9y=12

6x-2y=10

- + -

________

11y=2

y= 2/11

now,

Put the value of y in eq. (2)

3x-y=5 -eq.(2)

3x-2/11=5

3x=5+2/11

3x=57/11

x=19/11

Hence,

x=19/11

y=2/11