-2(k-1)=2(k+1)-12

Solution for -2(k-1)=2(k+1)-12 equation:

-2(k-1)=2(k+1)-12

We move all terms to the left:

-2(k-1)-(2(k+1)-12)=0

We multiply parentheses

-2k-(2(k+1)-12)+2=0


We calculate terms in parentheses: -(2(k+1)-12), so:

2(k+1)-12

We multiply parentheses

2k+2-12

We add all the numbers together, and all the variables

2k-10

Back to the equation:

-(2k-10)


We get rid of parentheses

-2k-2k+10+2=0

We add all the numbers together, and all the variables

-4k+12=0

We move all terms containing k to the left, all other terms to the right

-4k=-12

k=-12/-4

k=+3