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2b-4=2 (4b+1)
We simplify the equation to the form, which is simple to understand
2b-4=2(4b+1)
Reorder the terms in parentheses
2b-4=+(+8b+2)
Remove unnecessary parentheses
+2b-4=+8b+2
We move all terms containing b to the left and all other terms to the right.
+2b-8b=+2+4
We simplify left and right side of the equation.
-6b=+6
We divide both sides of the equation by -6 to get b.
b=-1
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