Question

2. Write four solutions for each of the following equations:
(1) 2x + y = 7

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Answer 1

Solution (1) :- x=3,y=1 => 2(3)+1 =>7

Solution (2):- x=0,y=7 => 2(0)+7=>7

Solution (3):- x=10,y= -13 =>2(10)+(-13) =>7

Solution(4):- x=2,y=3 =>2(2)+3 =>7

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Answer 2

Answer:

$\sf{Case\:1}$

When x = 0

=》 2x + y = 7

=》 y = 7

$\sf{Case\:2}$

When x = 1

=》 2x + y = 7

=》 y = 5

$\sf{Case\:3}$

When x = 2

=》 2x + y = 7

=》 y = 3

$\sf{Case\:4}$

When x = 3

=》 2x + y = 7

=》 y = 1

4 Solutions = (0,7) ; (1,5) ; (2,3) ; (3,1)