b+7=2b-8

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Solution for b+7=2b-8 equation:



b+7=2b-8
We move all terms to the left:
b+7-(2b-8)=0
We get rid of parentheses
b-2b+8+7=0
We add all the numbers together, and all the variables
-1b+15=0
We move all terms containing b to the left, all other terms to the right
-b=-15
b=-15/-1
b=+15

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