Question

If x = - 1, y = 2 is a solution of the 3x + 4y = k, find the value of k. ​

Answer 1

$3 \times - 1 + 4 \times 2 = k$

$- 3 + 8 = k$

$k = 5$

Answer 2

Answer:

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Step-by-step explanation:

$Given : x = -1 , y = 2$

$3x + 4y = k$

$=> 3(-1) + 4(2)=k$

$=> k = -3+8$

$=> k = 5$

$therefore, \: the \: value \: of \: K \: is \: 5.$

$please \: like \: my \: answer \\ \&\\ mark \: me \: brainliest \: please \: :)))$

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