Question

Resolvas as equaçoes sendo x um numero racional 5×- (×+1) =10
²

Answer 1

$5^{x-(x+1)} = 10^{2} \to \\\\5^{x-(x+1)} = 2*5^{2} \to \\\\x-(x+1)=2*2\to \\\\x-x+1=4\to \\\\x-x=4-1\to\\\\ 3$