Question

10 ejemplos de la reduccion de terminos semejantes

Answer 1

5a-6b+8c+9a-20c-b+6b-c 

5a+9a = (5+9)a = 14a

-6b-b+6b = (-6-1+6)b = -b

8c-20c-c = (8-20-1)c = -13c

Solución:  14a-b-13c

7a -9b +6a -4b 

 7a +6a = (7+6)a = 13a

-9b -4b = (-9 -4)b = -13b

Solución:  13 -13b

Answer 2

1 2x - 5x + 9x
2 2x + 7x + x – 8x 
3 5xy – 3x + 4xy
4 6x – 8y – 4y
5 3y + 5y – 7y + x
6 8z + 3xy – 12z
7 5m – 9n + 2n
8 10x + 4y – y
9 6z – 4z + 2z
10 3x – 7y + 5x