Question

espara hoy
calcule
a)7×-(8×+2) = b) 3×+(5-2×)= c)-5a-1-(7-7a)= d) (5×+9)- (6×-1)=
e) (4×-2)+(×.2)= f) (3×-5)+(6×-8)
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Answer 1

Respuesta:

a)7×-(8×+2) =

=7⋅(−16)=  

=−112

b) 3×+(5-2×)=

=3x+(−2x+5)=

=x+5

c)-5a-1-(7-7a)=

=(−5a−1)−(−7a+7)=  

=2a−8

d) (5×+9)- (6×-1)=

=(45)−(−6)=  

=51

e) (4×-2)+(×.2)=

=(4x−2)+(2x)=  

=6x−2

f) (3×-5)+(6×-8)

=-63

ESPERO HABERTE AYUDADO ✨

Answer 2

Respuesta:

Explicación paso a paso:

a)7×-(8×+2) =

 7x-8x-2

-x-2

b) 3×+(5-2×)=

   3x+5-2x

    1x+5

c)-5a-1-(7-7a)=

  -5a-1-7+7a

    2a-8

d) (5×+9)- (6×-1)=

5x+9-6x+1

-1x+10

e) (4×-2)+(×.2)=

4x-2 +2x

6x-2

f) (3×-5)+(6×-8)=

  3x-5+6x-8

    9x-13