4(3b-5)-5b=7(b-7)-9

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Solution for 4(3b-5)-5b=7(b-7)-9 equation: 



4(3b-5)-5b=7(b-7)-9

We move all terms to the left:

4(3b-5)-5b-(7(b-7)-9)=0

We add all the numbers together, and all the variables

-5b+4(3b-5)-(7(b-7)-9)=0

We multiply parentheses

-5b+12b-(7(b-7)-9)-20=0



We calculate terms in parentheses: -(7(b-7)-9), so:

7(b-7)-9

We multiply parentheses

7b-49-9

We add all the numbers together, and all the variables

7b-58

Back to the equation:

-(7b-58)



We add all the numbers together, and all the variables

7b-(7b-58)-20=0

We get rid of parentheses

7b-7b+58-20=0

We add all the numbers together, and all the variables

38!=0

There is no solution for this equation

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