tentukan nilai x! 4^x+3 = ⁴√16^x+5 pakai caranya ya, plis bantuin ya besok di kumpul

Bab Eksponensial
Matematika SMP Kelas IX

^ = pangkat

4^(x + 3) = ^4√(16^(x + 5))
4^(x + 3) = ^4√(4^(2(x + 5))
4^(x + 3) = 4^(2(x + 5)/4)
x + 3 = (x + 5)/2
2 (x + 3) = x + 5
2x + 6 = x + 5
2x - x = 5 - 6
x = -1