Question

Check which of the following are solutions of the equation 2x + y = 7
(1) (-2, 11)
(II) (-7,7)​

Answer 1

Answer:

only (1) satisfies the given equation

Step-by-step explanation:

a) substitute x and y values in the given equation

2(-2) + 11 = 7

-4 + 11 = 7

7 = 7

hence satisfying

b) 2(-7) + 7

-14 + 7

-7 is not equal to 7, so option 1 is the answer

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