Question

4) If (2,k) is the solution of equation 3x+y-12=0 then the value of k is:
a) 3
b) 6
c) 4
d) -6​

Answer 1

Answer:

6

Step-by-step explanation:

3(2)+y-12=0

6+y-12=0

-6+y=0

y=0

Answer 2

Answer:

b. 6

3x + y- 12 =0

3(2)+k -12 = 0

6 + k - 12 = 0

6+k = 12

k = 12- 6

k= 6