Question

Reduza os termos semelhantes.

a)5x-2x+6x+8x
b)10ab-5+ab-7ab
c)5a-3b-6a-a+5b
d)0,8y-2,4y+y-y/4
e)10k-9k-12k-3k+10k
f)12y+23y-13y-y
g)8x-12x+20x-32x
h)7y-3z+(5w-w+z)

Answer 1

a)5x-2x+6x+8x
 19x - 2x 
17x

b)10ab-5+ab-7ab
3ab - 5 + ab
4ab - 5

c)5a-3b-6a-a+5b
5a - 6a - a + 5b - 3b
-2a  + 2b

d)0,8y-2,4y+y-y/4
???

e)10k-9k-12k-3k+10k
10k + 10k - 9k - 12k -3k
20k - 24k
-4k

f)12y+23y-13y-y
35y - 14y
21y

g)8x-12x+20x-32x
8x + 20x - 32x - 12x
28x - 44x
- 16x

h)7y-3z+(5w-w+z)
7y - 3z + 5w - w +z 
7y - 2z + 4w