Solve the equations using elimination method:
$x + 3 y = 8$ and $x + 2 y = 8$

(8, - 1)

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(- 8, 0)

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(- 8, - 1)

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(8, 0)

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Solution

The correct option is D $(8, 0)$
$x + 3 y = 8$ ----- (1)
$x + 2 y = 8$ ----- (2)
(-) (-) (-)
______________
$3 y - 2 y = 8 - 8$
$y = 0$
Put the value of $y$ in equation (1), we get
$x + 3 y = 8$
$x + 3 (0) = 8$
$x = 8$
Therefore the solution is (8, 0)

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