Question

a) 8x + 4x
b) 5k – 9k
c) – 7h – 5h
d) – 15v + 20v
e) 8x + 3x – 5x
f) 6b – 12b + 4b – b
g) 4x + 8y + 7x – 10y
h) 8x + 6 – 3x – 8
i) 5n – 7m + 3m – 9m – m
j) 11x – 9 – 15x +10 +x – 3
k) 5.( x +2 )
l) 3. ( 3y – 4 ) – 7y
m) 2. ( – 5 + 6b ) + 9 – 10b
n) 4. ( a – 1 ) – 3 .( 2a – 2 ) – 2 – 4a


Me ajuda e urgente

Answer 1

Resposta:

12x

-4k

-12h

5v

6x

-3b

11x-2y

5x-2

5n-14m

-3x-12

5x+10

9y-12-7y=2y-12

-10+12b+9-10b= -1+2b

-4+6-2= -6a