10b-17b+(-9b)-20b-(-18b)-(-9)=-9

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Solution for 10b-17b+(-9b)-20b-(-18b)-(-9)=-9 equation:



10b-17b+(-9b)-20b-(-18b)-(-9)=-9
We move all terms to the left:
10b-17b+(-9b)-20b-(-18b)-(-9)-(-9)=0
We add all the numbers together, and all the variables
-27b+(-9b)-(-18b)+18=0
We get rid of parentheses
-27b-9b+18b+18=0
We add all the numbers together, and all the variables
-18b+18=0
We move all terms containing b to the left, all other terms to the right
-18b=-18
b=-18/-18
b=1

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