jika f(x) = 3x-2 dan f(a) =7.maka nilai a yang memenuhi adalah? Tolong dijawab yha

f (x) = 3x - 2

Nilai a :
f (a) = 7
3 (a) - 2 = 7
3a - 2 = 7
3a = 7 + 2
3a = 9
a = 9/3
a = 3

f(x) = 3x - 2
f(a) = 7

f(a) = 3x - 2 = 7
f(a) = 3x = 7 + 2
3x = 9
x = 9 : 3
x = 3