Question

. x = 9, y = 4 is a solution of the linear equation: *
1 point
a) 2x + y = 17
b) x + y = 17
c) x + 2y = 17
d) 3x – 2y = 17​

Answer 1

❥︎$\huge\underline\bold\pink{AnswEr}$

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• $option \: c )x + 2y = 17$

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❥︎$\huge\underline\bold\green{SoluTion}$

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• a) 2x + y = 17

$= > 2x + y = 17$

$= > 2 \times 9 + 4 = 17$

$= > 18 + 4 = 17$

$= > 22= 17$

here,

left hand side is not equal to right hand side.

• b) x + y = 17

$= > x + y = 17$

$= > 9 + 4 = 17$

$= > 13 = 17$

here,

left hande side is not equal to right hand side.

• c) x + 2y = 17

$= > x + 2y = 17$

$= > 9 + 2 \times 4 = 17$

$= > 9 + 8 = 17$

$= > 17 = 17$

here,

left hand side is equal to right hand side.

• d) 3x -2y = 17

$= > 3x - 2y = 17$

$= > 3 \times 9 - 2 \times 4 = 17$

$= > 27 - 8 = 17$

$= > 19 = 17$

here,

left hand side is equal to right hand side.

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