Question

(3x+5y+8z) + (2x+3y-y) - (3x+5y+8y)​

Answer 1

Resposta:

(3x+5y+8z) + (2x+3y-y) - (3x+5y+8y)

3x+5y+8z + 2x +2y - 3x+ 13y

5x+5y+8z+2y-3x+13y

2x+5y+8z+2y+13y

2x+7y+8z+13y

2x+20y+8z

A gente soma letra com letra.