Question

What is the value of k if x = -3 and y = -4 is the solution of the linear equation in two variables, -2x + 3y + 3k = 0?

Answer 1

Answer:

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Answer 2

AnsWer :

k = 2.

Given :

• -2x +3y + 3k = 0. is liner equation
• where as, x = -3 and y = -4.

To Find :

The value of k.

Solution :

We have equation,

$\tt\longmapsto - 2x + 3y + 3k =0 .$

When,

$\tt \dagger \: \: \: \: \: \: \underline{x = - 3.} \: \: \: \underline{y = - 4.}$

$\tt\longmapsto - 2( - 3) + 3( - 4) + 3k = 0.$

$\tt\longmapsto 6 - 12 + 3k = 0.$

$\tt\longmapsto - 6 = - 3k$

$\tt\longmapsto k = \frac{6}{3}$

$\tt\longmapsto k = 2.$

Therefore, the value k be 2.