12b+9=7b=24

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Solution for 12b+9=7b=24 equation: 



12b+9=7b=24

We move all terms to the left:

12b+9-(7b)=0

We add all the numbers together, and all the variables

5b+9=0

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

5b=-9

b=-9/5

b=-1+4/5

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