3(-4-5k)=-5(2+4k)+7k

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Solution for 3(-4-5k)=-5(2+4k)+7k equation: 



3(-4-5k)=-5(2+4k)+7k

We move all terms to the left:

3(-4-5k)-(-5(2+4k)+7k)=0

We add all the numbers together, and all the variables

3(-5k-4)-(-5(4k+2)+7k)=0

We multiply parentheses

-15k-(-5(4k+2)+7k)-12=0



We calculate terms in parentheses: -(-5(4k+2)+7k), so:

-5(4k+2)+7k

We add all the numbers together, and all the variables

7k-5(4k+2)

We multiply parentheses

7k-20k-10

We add all the numbers together, and all the variables

-13k-10

Back to the equation:

-(-13k-10)



We get rid of parentheses

-15k+13k+10-12=0

We add all the numbers together, and all the variables

-2k-2=0

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

-2k=2

k=2/-2

k=-1

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