Question

find the solution of 2x + y = 7​

Answer 1

Step-by-step explanation:

2x+y=7

x+y = 7/2

x+y= 3.5

Answer 2

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$2x + y = 7$

$For \: x = - 1, we \: get$

$−2+y=7$

$⇒y=9</p><p></p><p></p><p>$

$∴ (-1, 9) is \: a \: solution.$

$For \: x = 0, we \: get$

$⇒0+y=7$

$⇒y=7$

$∴ (0, 7) is \: a \: solution.$

$For \: x = 1, we \: get$

$⇒2+y=7$

$⇒y=5$

$∴ (1, 5) is \: a \: solution.$

$For \: x = 2, we \: get$

$⇒4+y=7 </p><p>⇒y=3$

$∴ (2, 3) is \: a \: solution.$

Hence, we have four

solution (−1,9),(0,7)

,(1,5)and(2,3)

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