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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

7k-4k-(2(-1k+5))=0

We add all the numbers together, and all the variables

3k-(2(-1k+5))=0



We calculate terms in parentheses: -(2(-1k+5)), so:

2(-1k+5)

We multiply parentheses

-2k+10

Back to the equation:

-(-2k+10)



We get rid of parentheses

3k+2k-10=0

We add all the numbers together, and all the variables

5k-10=0

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

5k=10

k=10/5

k=2

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