Question

3.
ਸਮੀਕਰਣ 2x+y = 7 ਦੇ ਚਾਰ ਹੱਲ ਲਿਖੋ।
Write four solutions of the equation 2x + y = 7​

Answer 1

Answer:

The four solutions of the equation 2x + y = 7 are (0, 7), (1, 5), (2, 3) and (-1, 9). (0, 9) is the Solution.

Answer 2

Answer:

2x+y = 7

y = 7 - 2x

put different values of x and solve to get values of y

put x = 0

y = 7 - 2 × 0

y = 7 - 0

y = 7

x = 0 , y = 7

put x = 1

y = 7 - 2 × 1

y = 7 - 2

y = 5

x = 1 , y = 5

put x = 2

y = 7 - 2 × 2

y = 7 - 4

y = 3

x = 2 , y = 3

put x = 3

y = 7 - 2 × 3

y = 7 - 6

y = 1

x = 3 , y = 1

bolded one are the four solutions

I hope this will help you.

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