Question

(12) If x = 2 and y = -4 is one of the solution of the equation 3x - y = k, then k =

Answer 1

Answer:

k=10

Step-by-step explanation:

3x - y = k

substitute the value of x = 2 ; y = -4

3(2) -(-4) = k

6+4 =k

k= 10

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Answer 2

Given:

• x = 2
• y = - 4
• 3x - y = k

Find:

• Value of k

Solution:

• 3x - y = k

↳ 3 ༝ 2 - ( - 4) = k

↳ 3 ༝ 2 + 4 = k

↳ 6 + 4 = k

↳ 10 = k

• Hence, the value of k is 10.