Question

Resolva as equações exponenciais

Answer 1

a) 2^4x-3=8

2^4x-3= 2³

4x-3=3

4x=3+3

4x=6

x=6/4

x=1,5

Answer 2

${2}^{4x - 3} = 8 \\ {2}^{4x - 3} = {2}^{3} \\ 4x - 3 = 3 \\ 4x = 6 \\ x = \frac{6}{4} \\ x = \frac{3}{2}$