-20b-20=-15b+20-7b

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Solution for -20b-20=-15b+20-7b equation:



-20b-20=-15b+20-7b
We move all terms to the left:
-20b-20-(-15b+20-7b)=0
We add all the numbers together, and all the variables
-20b-(-22b+20)-20=0
We get rid of parentheses
-20b+22b-20-20=0
We add all the numbers together, and all the variables
2b-40=0
We move all terms containing b to the left, all other terms to the right
2b=40
b=40/2
b=20

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