rafaela7745 24/04/2022 ( 7 )^x+1 + 1 = 50( 7 )^x+1= 50 - 1( 7 )^x+1 = 49 ou 7²x + 1 = 2x = 2 - 1x = 1 respostax = 1
rafaela7745
( 7 )^x+1 + 1 = 50
( 7 )^x+1= 50 - 1
( 7 )^x+1 = 49 ou 7²
x + 1 = 2
x = 2 - 1
x = 1 resposta
x = 1