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4*b+3=-9
We simplify the equation to the form, which is simple to understand
4*b+3=-9
Simplifying:
+4b+3=-9
We move all terms containing b to the left and all other terms to the right.
+4b=-9-3
We simplify left and right side of the equation.
+4b=-12
We divide both sides of the equation by 4 to get b.
b=-3
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