F(×) =7× + 2
Jika, f(×) = -26
Tentukan nilai x = ….?
Jawaban Terkonfirmasi
f(x) = 7x + 2
– 26 = 7x + 2
7x = – 26 – 2
7x = – 28
x = – 28/7
x = – 4
Jawaban Terkonfirmasi
F(x)=7x+2
7x+2=-26
7x=-26-2
7x= -28
x= -28:7 = 4