tentukan nilai x dan persamaan 4^x+4=2^10x+12

Bab Eksponensial
Matematika SMP Kelas IX

4^(x + 4) = 2^(10x + 12)
2^(2(x + 4)) = 2^(10x + 12)
2x + 8 = 10x + 12
10x - 2x = 8 - 12
8x = -4
x = -4/8
x = -1/2