Add:
1. (5× +5) + (7× + 9)
2. (3× + 2y - 9z) + ( x + y + z)

Subtract:
1.(5× - 4) - (3× - 6)
2. (6× - 2y - 8) - (2y + y + 5)​


Sagot :

Answer:

add

1. 12x + 14

2. 4x +3y-8z

subtract

1. 2x -10

2. 4x -y -3

Go Educations: Other Questions