Question

6v-(5v)+(-4v)=

(4xw-5x+w)+(7w-3xw+2x)


2c-(-4b)+3c+(6b)

Answer 1

Recordemos ley de signos:

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

6v-(5v)+(-4v)=
6v-5v-4v=
-3v
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(4xw-5x+w)+(7w-3xw+2x)=
(4xw-3xw)+(-5x+2x)+(w+7w)=
xw-3x+8w
---------------------------------------------
2c-(-4b)+3c+(6b)=
2c+4b+3c+6b=
(2c+3c)+(4b+6b)=
5c+10b=
10b+5c