Question

Write four solutions for each of the following equation
(1) 2x + y=7​

Answer 1

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FIRST METHOD :-

For x = 0

2(0) + y = 7

0 + y = 7

y = 7

So, (0,7) is a Solution.

SECOND METHOD :-

For y = 0

2x + 0 = 7

2x = 7

x = 7/2

So (7/2,0) is a Solution.

THIRD METHOD :-

For x = 1

2(1) + y = 7

2 + y = 7

y = 7-2

y = 5