5k+40=2(7k-8)-2k

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Solution for 5k+40=2(7k-8)-2k equation: 



5k+40=2(7k-8)-2k

We move all terms to the left:

5k+40-(2(7k-8)-2k)=0



We calculate terms in parentheses: -(2(7k-8)-2k), so:

2(7k-8)-2k

We add all the numbers together, and all the variables

-2k+2(7k-8)

We multiply parentheses

-2k+14k-16

We add all the numbers together, and all the variables

12k-16

Back to the equation:

-(12k-16)



We get rid of parentheses

5k-12k+16+40=0

We add all the numbers together, and all the variables

-7k+56=0

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

-7k=-56

k=-56/-7

k=+8

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