Question 689445
{{{10(1+3b)=-20}}} Start with the given equation.



{{{10+30b=-20}}} Distribute.



{{{30b=-20-10}}} Subtract {{{10}}} from both sides.



{{{30b=-30}}} Combine like terms on the right side.



{{{b=(-30)/(30)}}} Divide both sides by {{{30}}} to isolate {{{b}}}.



{{{b=-1}}} Reduce.



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Answer:


So the solution is {{{b=-1}}}