2(k-30)=-(k-60)

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Solution for 2(k-30)=-(k-60) equation: 



2(k-30)=-(k-60)

We move all terms to the left:

2(k-30)-(-(k-60))=0

We multiply parentheses

2k-(-(k-60))-60=0



We calculate terms in parentheses: -(-(k-60)), so:

-(k-60)

We get rid of parentheses

-k+60

We add all the numbers together, and all the variables

-1k+60

Back to the equation:

-(-1k+60)



We get rid of parentheses

2k+1k-60-60=0

We add all the numbers together, and all the variables

3k-120=0

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

3k=120

k=120/3

k=40

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