7b+5b=12b+4

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Solution for 7b+5b=12b+4 equation: 



7b+5b=12b+4

We move all terms to the left:

7b+5b-(12b+4)=0

We add all the numbers together, and all the variables

12b-(12b+4)=0

We get rid of parentheses

12b-12b-4=0

We add all the numbers together, and all the variables

-4!=0

There is no solution for this equation

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