Question

A. Simplifica:
1. 3x-(2y-(5x+3y))
2. -(6a-3b) - (5a-9b - (2c-9b)}
3. -10x-(8x-4y+22) + (5x-4y-22) -(10x-3y-42)
4. 4m +{(6m-3n) - (9n-5m) + (8m-2n)}
5. 2a-(7 a - (3 a-7b) + (10 a -9b)
6. -(x+y)+ [3x-2y + {-8x-5y-(63-8y-7y)}-6x]
7. 8x2 - {3x2-6y - 2x-3y - [9x2-6y-4x] - (2x2.9y+6x)-3x2}
8. -{-6x+3y- (8x-[2y-4x-Zx-6y+10x]-9y) +12y}
9. -9y+32-(5x-10y-8z- (2x-6y+72-[2x-3y]}
10. -6x +{8y-(2x-[4x-9y-6z]-7x)-6y} -(8x-[3y-2z]-9y)
11. a -4° -2 a - b) + a) -
12. 4x -x- (3x+y)+(--(x)}​

Answer 1

Answer:

hope it is helpful

Step-by-step explanation:

8x +y

-11

-3x +3y -2

23m - 14n

2 (b -6a)

10x+9y-631

(29/10)

−2x−8y

18z+16y−5x

7x+5y-8z

don't know

dont know