diketahui fungsi f(x} = 2 - 7x dan f(k + 2)= 16 nilai k adalah....?

f(x) = 2-7x
f(k+2) = 16

f(k+2) = 2 - 7(k+2)
16 = 2 - 7(k+2)
16 = 2 - 7k - 14
16 = 2 - 14 - 7k
16 = -12 - 7k
7k = -12-16
7k = -28
k = -28/7
k = -4

*semoga membantu. sukses selalu ^_^

F(x)=2-7x dan f(k+2)=16 maka K= -4