Question

5x + 3a = 3x + 9a ALGUEM ME AJUDAAAAAAAAAAA​

Answer 1

Explicação passo-a-passo:

$5x+3a=3x+9a\\\\5x-3x=9a-3a\\\\2x=6a\\\\------\\x=\frac{6a}{2} =3a\\------\\ou\\------\\a=\frac{2x}{6}=\frac{x}{3} \\------$