Question

Elimine os parenteses
A) (4x)+(7x)=
B)(5x)+(-8x)=
C)(8a)+(-10a)=
D)(-12y)+(-y)=
E)(-10a)+(8a)=

Answer 1

a) 4x + 7x= 11x
b) 5x - 8x= -3x
c) 8a -10a= -2a
d)-12y - y= -13y
e) -10a + 8a= -2a

Answer 2

a)4x+7x
=11x
b)5x -8x =-3x
c)8a -10a =-2a
d)-12y -y= -13y
e)-10a +8a =-2a