Question

solve x - y = 1 & 2x + y = 8
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plz answer the question with correct answer
mention the method!!!! ​

Answer 1

if x = 3

and y = 2

then 2x + y= 8

= 2 x 3 + 2 = 8

= 6 + 2 = 8

and therefore x - y = 1

3 - 2 = 1

Answer 2

Answer:

Question

❇️solve x - y = 1 & 2x + y = 8

Solution ⬇️

✍️By substitution method

✍️x-y=1..(1)

✍️2x+y=8..(2)

_____________

️3x=9..(Adding equation 2 and 1)

_____________

$= = > 3x = 9 \\ = = > x = \frac{9}{3} = 3$

• Substituting value x=3 in equation 1

✍️x-y=1..(1)

✍️3-y=1..(x=3)

✍️-y=1-3

✍️-y=-2

✍️y=2

️ (x,y)(3,2) is the solution of the given quadratic equation

Step-by-step explanation:

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