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19+b/9=-8
We move all terms to the left:
19+b/9-(-8)=0
We add all the numbers together, and all the variables
b/9+27=0
We multiply all the terms by the denominator
b+27*9=0
We add all the numbers together, and all the variables
b+243=0
We move all terms containing b to the left, all other terms to the right
b=-243
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