Question

Exercício


1- Reduza as expressões a seguir:

a) 2x+3x-5x+7-2x

b) 9x-3x-8+12+4x

c) 16x-2x-3x+7-9+2x

d) 6x+2x-3+10x-17

e)-3x-14x-10+3

f)-10x+12+3-10x

Answer 1

Resposta:

a)2x+3x-5x+7-2x

-2x+7

b)9x-3x-8x+12+4x

10x+4

c)16x-2x-3x+7-9+×x

13x-2

d)6x+2x-3+10x-17

18x-20

e)-3x-14x-10+3

-17x-7

f)-10x+12+3-10x

-20x+15