-2b=-9

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Solution for -2b=-9 equation:



-2b=-9
We move all terms to the left:
-2b-(-9)=0
We add all the numbers together, and all the variables
-2b+9=0
We move all terms containing b to the left, all other terms to the right
-2b=-9
b=-9/-2
b=4+1/2

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