Question

Simplifique as expressões:

A) X-5+2X

B) 6. (2-d)

C) 7c+4-8-3c

D) -9y+2. (5y-2)

E) 4s+ 3s . (20:5) +6

F) (4+3t).3-8t-7

Answer 1

A) X-5+2X
3x-5

B) 6. (2-d)
12 - 6d

C) 7c+4-8-3c
4c - 4

D) -9y+2. (5y-2)
-9y + 10y -4
y - 4

E) 4s+ 3s . (20:5) +6
4s + 3s.4 + 6
4s + 12s + 6 
16s + 6 

F) (4+3t).3-8t-7
12+9t-8t-7
t + 5