Question

2x + y = 7(equation)​

Answer 1

Answer:

2x + y=7.

2x = 7 - y

X = 7 - y/2

Answer 2

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2x + 7 = 7(equation)

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For x = 0,

2(0) + y = 7

→ y = 7

Therefore,(0,7) is a solution of this equation.

For x = 1,

2(1) + y = 7

→ y = 5

Therefore (1,5) is a solution of this equation.

For x = -1,

2(-1) + y = 7

→ y = 9

Therefore,(-1,9) is a solution of this equation.

For x = 2,

2(2) + y = 7

→ y = 3

Therefore,(2,3) is a solution of this equation.

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