Question

The value of k, if x=2, y=1 is a solution of the equation 2x+3y = k is
(a) 5
(b) 6
(c) 7​

Answer 1

Step-by-step explanation:

2x+3y=k

k=2(2)+3(1)

=7

your answer is c.

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Answer 2

$\textbf{\huge\underline{\underline\red{question} : - }}$

The value of k, if x=2, y=1 is a solution of the equation 2x+3y = k is

(a) 5

(b) 6

(c) 7

$\textbf{\huge\underline{\underline\red{solution} : - }} \\ \\ \tt { \underline\purple{given} : - \: \: \: \: \: \: \: x = 2 \: \: and \: \: y = 1 } \\ \\ \tt \underline{\purple{equation } = >2x + 3y = k } \\ \\ \tt{so} \\ \\ \tt{ = > 2(2) + 3(1) = k} \\ \\ \tt{ = > 4 + 3 = k } \\ \\ \tt{ = > 7 = k} \\ i.e. \\ \tt \red{ = > k = 7} \\ \\ \sf\blue{hence \: answer \: is \: option \: \red{(c) \: \: 7}.} \\ \\ \: \fcolorbox{red}{aqua}{i \: hope \: it \: helps \: you.}$