Question

$13^{x} + 13^{x+1} + 13^{x+2} =183$
a) – 1
b) 0
c) 1
d) 2
e) 3

Answer 1

Resposta:

b) 0

Explicação passo a passo:

$13^x(1+13+13^2)=183\\13^x * 183 = 183\\13^x=183/183\\13^x=1\\13^x=13^0\\x=0$