Question

elimine os parentes e resolva (-6x)+(-x)

Answer 1

(-6x) + (-x) =             -6x - x =             -7x

Answer 2

( - 6x) + ( - x)
- 6x - x
- 7x



REGRA DOS SINAIS:

( + ) × ( + ) = +
( - ) × ( - ) = +
( + ) × ( - ) = -
( - ) × ( + ) = -