Question

simplifique as expressões
a) 3x+5x-2x=
b) 4x+2 (x-3)+4=
c) 5. (2x+4)-3 (x-8)+5=
d)9x-6+4x+10=
e)7y-8+2 (5y-3)=
f)5a-3. (2a-2)+8=

Answer 1

Olá,

a)
3x + 5x - 2x
8x - 2x
6x

b)
4x + 2(x - 3) + 4
4x + 2x - 6 + 4
6x - 2
2(3x - 1)

c) 5(2x + 4) - 3(x - 8) + 5
10x + 20 - 3x + 24 + 5
10x - 3x + 20 + 24 + 5
7x + 44 + 5
7x + 49
7(x + 7)

d) 9x - 6 + 4x + 10
9x + 4x - 6 + 10
13x + 4

e) 7y - 8 + 2(5y - 3)
7y - 8 + 10y - 6
7y + 10y -8 - 6
17y - 14

f) 5a - 3(2a - 2) + 8
5a - 6a + 6 + 8
-a + 14

Bons estudos ;)