Resposta: A) x = 13 B) x = -5 C) x = 6
Explicação passo a passo:
A)
[tex]2x - 5 = x + 8\\2x - x = 5 + 8\\x = 13[/tex]
B)
[tex]3x + 4 = x - 6\\3x - x = -4 - 6\\2x = -10\\x = \frac{-10}{2} \\x = - 5[/tex]
C)
[tex]5x = x + 24\\5x - x = 24\\4x = 24\\x = \frac{24}{4} \\x = 6[/tex]
