Question

write for solution of the equation
2x+Y=7​

Answer 1

Answer:

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

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Answer 2

Step-by-step explanation:

=> 2x+Y=7

=> y = 7 – 2x

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for x = 0 , y = 7 – 2 × 0

y = 7 – 0

.•. y = 7

for x = – 1 , y = 7 – 2 × ( – 1 )

y = 7 + 2

.•. y = 9

for x = 1 , y = 7 – 2 × 1

y = 7 – 2

.•. y = 5

for x = – 2 , y = 7 – 2 × ( – 2 )

y = 7 + 4

.•. y = 11