Question

resolva as inequacoes com u=q a) 2.(3a-1)+7>8a-(3-2a)

b)k+1/6≤3/5

Answer 1

a) 2.(3a-1) + 7 > 8a -(3-2a)
    6a -2 +7 > 8a -3 +2a
    6a -8a -2a > -3 +2 -7
    -4a > -8  (multiplica tudo por -1)
    4a < 8
    a < 8/4
    a < 2

b) $k + \frac{1}{6} \leq \frac{3}{5}$
    $k \leq \frac{3}{5}- \frac{1}{6}$
    $30k \leq \frac{18}{30} - \frac{5}{30}$
    $30k \leq \frac{13}{30}$
    $k \leq 13$