Question

1. (3x + 5y -4) +(8x + 6y - 2)=

2. (-7x + 6y - 4) +(9x - 8y + 9)=

3. (9a - 4b + 8) +(8a + 6b - 10)=

4. (-5x + 5y - 1) +(10-5y-6)=

5. (-5a + 12b - 4)+(-2a +-5b-2)=

6. (8x + 10y + 4) +(9x-3y - 10)=

7. (-6a + 2b - 7) +(8a + -10b - 3)=

8. (9x + 8y - 10)+(-5x + - 3y -+7)=,

9. (7a-8b + 2) +(6a + b - 10)=

10. (12x - 5y - 12) +(7x + 10y - 8)=.

11. (7a + 5b -4) +(-9a + 5b + 3)=

12. (9x + 8y - 10) +(-6x - 6y + 7)=

13. (7x + y - 4)+(2x + 9y + 5)=

14. (-8x - 6y - 4) +(-2x - 6y - 7)=​

Answer 1

Respuesta:

1. 11x + 11y -6

2. 2x -2y + 5

3. 17a + 2b -2

4. 5x - 7

5. -7a + 7b -6

6. 17x + 7y -6

7. 2a - 8b -10

8. 4x + 5y -3

9. 13a -7b -8

10. 19x -5y -20

11. -2a +10b -1

12. 3x +2y -3

13. 9x +10y + 1

14. -10x -12y -11