Lösen von Gleichungen: x-(4x+12)=7(x-6)

Question

x -(4x+12)=7(x - 6 ) bitte helft mir 6x-36=3(4x+16)-60

Answer 1

X-(4x+12)=7•(x-6) ; x-4x-12=7x-42 ; -3x=7x-30 ; -10x=-30 ; x=-30:-10 ; x=3 6x-36=3•(4x+16)-60 ; 6x=12x+48-24 ; 6x=12x+24 ; -6x=24 ; x=24:-6 ; x=-4

Answer 2

Hi,


x -(4x+12)=7(x - 6 )

x-4x-12=7x-42

-3x-12=7x-42 |-7x

-10x-12=-42 |+12

-10x=-30 |:(-10

x=3
 

6x-36=3(4x+16)-60

6x-36=12x+48-60

6x-36=12x-12 |-12

-6x-36=-12 |+36

-6x=24 |:(-6)

x=-4


Klar? :)


Grüße