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-1+b/2=-4
We simplify the equation to the form, which is simple to understand
-1+b/2=-4
Simplifying:
-1 + 0.5b=-4
We move all terms containing b to the left and all other terms to the right.
+ 0.5b=-4+1
We simplify left and right side of the equation.
+ 0.5b=-3
We divide both sides of the equation by 0.5 to get b.
b=-6
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