2b+9=4

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Solution for 2b+9=4 equation: 



2b+9=4

We move all terms to the left:

2b+9-(4)=0

We add all the numbers together, and all the variables

2b+5=0

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

2b=-5

b=-5/2

b=-2+1/2

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