Question

Resolva as equacoes considerando U=R : a)(1/3)x=9-ao quadrado

Answer 1

1/3x = 9²
1/3x = 81
x = 81 . 3
x = 243

Answer 2

Ola!!!

Resolução!!!

1/3x = 9²
1/3x = 81
x = 81 ÷ 1/3
x = 81 • 3/1
x = 243/1
x = 243

S = { 243 }

Espero ter ajudado!!!