-1=2(4)+b

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Solution for -1=2(4)+b equation:


-1=2(4)+b

We simplify the equation to the form, which is simple to understand 
-1=2(4)+b

Reorder the terms in parentheses
-1=+(+8)+b

Remove unnecessary parentheses
-1=+8+b

We move all terms containing b to the left and all other terms to the right. 
-1b=+8+1

We simplify left and right side of the equation. 
-1b=+9

We divide both sides of the equation by -01 to get b. 
b=-9

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