Diketahui fungsi f(t)=5t-2.jika f(x)=13 nilai x adalah

T = X
5X – 2 = 13
5X = 13 + 2
5X = 15
X = 3

5t-2 = 13
5t = 13 + 2
5t = 15
t = 3
nilai x = t = 3
*maaf kalau salah