Question

Write four solution of 2x+y=7

Answer 1

Put x = 1
2×1+y =7
y = 7-2
y= 5

put x = 2

2×2+y = 7
y = 7-4
y= 3

put x = 3

2×3+y = 7
y = 7 - 6
y = 1

put x = 4

2×4+y = 7
y = 7 - 8
y = -1


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Answer 2

Given :  2x+y=7

To Find :  four solution of 2x+y=7

Solution:

2x  + y = 7

=> y = 7 - 2x

Substitute any value of x and calculate value of y

x = 1

=> y  = 7 - (2) = 5

( 1, 5) is solution

similarly

x          y

-1          9

0          7

1           5

2          3

3           1

4          -1

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