Question

em seu caderno efetue as adicoes algebricas. a )(-3x)+(-8x) b)(-12y)+(+6y) c)(+5ab)-(-7ab)

Answer 1

a) -3x-8x=
-12x
b) -12y+6y=
-6y
c) 5ab+7av
12ab

Answer 2

a )(-3x)+(-8x)=
 -3x-8x)=
- 11x

b)(-12y)+(+6y)= 
-12y+6y=
- 6y

c)(+5ab)-(-7ab)=
5ab + 7ab =
12ab