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in Linear Equations by (42.4k points)
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If x = -3, y = -2 is a solution 5x – 7y = k, then the value of ‘k’ 

A) 0 

B) 1 

C) -1 

D) 2

2 Answers

+1 vote
by (56.9k points)
selected by
Best answer

Correct option is (C) -1

\(\because\) x = -3, y = -2 is a solution of the equation 5x – 7y = k.

\(\therefore\) \(5\times-3-7\times-2=k\)

\(\Rightarrow\) k = -15 + 14 = -1

+1 vote
by (40.5k points)

Correct option is  C) -1

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