10(9-k)=9(7k+10)

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Solution for 10(9-k)=9(7k+10) equation: 



10(9-k)=9(7k+10)

We move all terms to the left:

10(9-k)-(9(7k+10))=0

We add all the numbers together, and all the variables

10(-1k+9)-(9(7k+10))=0

We multiply parentheses

-10k-(9(7k+10))+90=0



We calculate terms in parentheses: -(9(7k+10)), so:

9(7k+10)

We multiply parentheses

63k+90

Back to the equation:

-(63k+90)



We get rid of parentheses

-10k-63k-90+90=0

We add all the numbers together, and all the variables

-73k=0

k=0/-73

k=0

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