-2b+7=-1

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Solution for -2b+7=-1 equation:



-2b+7=-1
We move all terms to the left:
-2b+7-(-1)=0
We add all the numbers together, and all the variables
-2b+8=0
We move all terms containing b to the left, all other terms to the right
-2b=-8
b=-8/-2
b=+4

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