Question

a+2/4 - 3-a/2 = 2a-3/3        (17 pontos)

Answer 1

Olá,

$a + \frac{2}{4} - 3 - \frac{a}{2} = 2a - \frac{3}{3} \\\\ a + \frac{1}{2} - \frac{a}{2} = 2a - 1 + 3 \\\\ a + \frac{1}{2} - \frac{a}{2} = 2a + 2 \\\\ 2a + 1 - a = 4a + 4 \\\\ 3a = - 3 \\\\ a = - 1$