Question

37) Simplifique estas outras expressões,reduzindo os termos semelhantes.

A)
$\frac{3}{8} \times + \frac{1}{2} x$

B)
$\frac{a}{2} - \frac{2a}{ 3}$

C)
$7p - \frac{3}{5} p$

D)
$2 \times {x}^{3} + { \times }^{3} + \times \frac{1}2{} \times$

E)
$3a - 6a - \frac{3}{5} + 1$

F)
$\frac{2}{3} a + \frac{1}{6} - \frac{a}{2} - \frac{1}{9}$
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Answer 1

a)

$\frac{3}{8} . \frac{1}{2} = \frac{3}{16}$

b)

$\frac{a}{2} - \frac{2a}{3} = \frac{3a - 4a}{6} = - \frac{a}{6}$

c)

$7p - \frac{3}{5} p = \frac{35p - 3p}{5} = \frac{32p}{5}$

d)

$2 {x}^{3} + {x}^{3} + \frac{1}{2} = 3 {x}^{3} + \frac{1}{2}$

e)

$3a - 6a - \frac{3}{5} + 1 \\ = \frac{15a - 30a - 3 + 5}{5} \\ = \frac{ - 15a + 2}{5}$

f)

$\frac{2}{3} a + \frac{1}{6} - \frac{a}{2} - \frac{1}{9} \\ = \frac{12a + 3 - 9a - 2}{18} \\ = \frac{3a + 1}{18}$