Question

Resolva 4 elevado a X-1=1/2.

B-2/3 elevado a 3x+1=1

Answer 1

4^(x-1)= 1/2

2^ 2(x-1)= 2^ (-1)

2(x-1)= (-1)

2x-2 = -1

2x= -1 +2

2x = 1

x = 1/2 ✓

(-2/3)^3x+1 = 1

(-2/3)^3x+1 = (-2/3)^0

3x+1 = 0

3x = -1

x = -1/3 ✓