9b+4,b=-2

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Solution for 9b+4,b=-2 equation: 



9b+4.b=-2

We move all terms to the left:

9b+4.b-(-2)=0

We add all the numbers together, and all the variables

13b+2=0

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

13b=-2

b=-2/13

b=-2/13

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