2(k+3)-13=2(18-k)-13

Solution for 2(k+3)-13=2(18-k)-13 equation:

2(k+3)-13=2(18-k)-13

We move all terms to the left:

2(k+3)-13-(2(18-k)-13)=0

We add all the numbers together, and all the variables

2(k+3)-(2(-1k+18)-13)-13=0

We multiply parentheses

2k-(2(-1k+18)-13)+6-13=0


We calculate terms in parentheses: -(2(-1k+18)-13), so:

2(-1k+18)-13

We multiply parentheses

-2k+36-13

We add all the numbers together, and all the variables

-2k+23

Back to the equation:

-(-2k+23)


We add all the numbers together, and all the variables

2k-(-2k+23)-7=0

We get rid of parentheses

2k+2k-23-7=0

We add all the numbers together, and all the variables

4k-30=0

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

4k=30

k=30/4

k=7+1/2