Question

Simplifique:

A) 3(x-2)
B) -2a - (9+2) -1
C) (x-y+z) - (2x+4y +10)

Me ajudem!!!!!!

Answer 1

Olá,

a)

3(x-2) =
3·(x)-3·(2) =
3x-6

Resposta:

3x-6

b)

-2a-(9+2)-1 =
-2a-(11)-1 =
-2a-11-1 =
-2a-12

Resposta:

-2a-12

c)

(x-y+z)-(2x+4y+10) =
x-y+z-2x-4y-10 =
x-2x-y-4y+z-10 =
-x-5y+z-10 =


Resposta:

-x-5y+z-10