Question

find the value of k if x = 3 and y= -1 is a solution of the equation 3x + 2y =k​

Answer 1

Given Equation : 3x + 2y = k

To Find : Value of k, if x = 3 and y = -1

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Step by Step Explanation :

3x + 2y = k

• Substituting the values of x and y

⇒ 3(3) + 2(-1) = k

⇒ 9 + (-2) = k

⇒ 9 - 2 = k

⇒ 7 = k

• Switch Sides

⇒ k = 7