Question

Reduza os termos semelhantes nas seguintes expressões algébricas?????

Answer 1

A)6x+(2x-4)-2
6x+2x-4-2
8x-6
x= -6/8
x= -6/8 ÷2
x= -3/4

B)7y-8-(5y-3)
7y-8-5y+3
2y-5
y= -5/2

C)4x-(-3x+9-2x)
4x+3x-9+2x
9x -9
x= -9/9
x= -1

D)3x-(-2x+5)-8x+9
3x +3x-5-8x+9
-2x +4
x=4/-2
x=-2

E)4x-3+(2x+1)
4x-3+2x+1
6x-2
x= -2/6 ÷2
x= -1/3

F)(x+y)-(x+2y)
x+y-x-2y
3y+2x

G) (3x-2y)+(7x+y)
3x-2y + 7x+y
10x - y

H) -(8a+4) - (3a+2)
-8a -4 - 3a -2
-11a -6

I) 5a+(3a -2) - (10a-8)
5a+3a -2 -10a+8
-2a +6
a=6/ -2
a= -3

J) 6x+(5x-7)-(20+3x)
6x+5x-7-20 -3x
8x -27

K) (x+y+z)+x - (3y+z)
x+y+z+ x-3y -z
2x-2y

L) (m+2n)-(r-2n)-(n+r)
m+2n -r+2n -n -r
m+3n -2r

M) -(6y+4x)+(3y-4x)-(-2x+3y)
-6y-4x+3y -4x +2x -3y
-6y -6x