-1=2(k-5)+-9

Solution for -1=2(k-5)+-9 equation:

-1=2(k-5)+-9

We move all terms to the left:

-1-(2(k-5)+-9)=0

We use the square of the difference formula

-(2(k-5)-9)-1=0


We calculate terms in parentheses: -(2(k-5)-9), so:

2(k-5)-9

We multiply parentheses

2k-10-9

We add all the numbers together, and all the variables

2k-19

Back to the equation:

-(2k-19)


We get rid of parentheses

-2k+19-1=0

We add all the numbers together, and all the variables

-2k+18=0

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

-2k=-18

k=-18/-2

k=+9