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-3(-2+4b)-2=-68
We move all terms to the left:
-3(-2+4b)-2-(-68)=0
We add all the numbers together, and all the variables
-3(4b-2)-2-(-68)=0
We add all the numbers together, and all the variables
-3(4b-2)+66=0
We multiply parentheses
-12b+6+66=0
We add all the numbers together, and all the variables
-12b+72=0
We move all terms containing b to the left, all other terms to the right
-12b=-72
b=-72/-12
b=+6
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