21k+k+1+2=5(6k+7)

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Solution for 21k+k+1+2=5(6k+7) equation: 



21k+k+1+2=5(6k+7)

We move all terms to the left:

21k+k+1+2-(5(6k+7))=0

We add all the numbers together, and all the variables

22k-(5(6k+7))+3=0



We calculate terms in parentheses: -(5(6k+7)), so:

5(6k+7)

We multiply parentheses

30k+35

Back to the equation:

-(30k+35)



We get rid of parentheses

22k-30k-35+3=0

We add all the numbers together, and all the variables

-8k-32=0

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

-8k=32

k=32/-8

k=-4

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