Solve for b
b=-\frac{2}{3}\approx -0.666666667
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-\frac{1}{2}=\frac{1}{4}b+\frac{1}{2}b
Combine \frac{3}{4}b and -\frac{1}{2}b to get \frac{1}{4}b.
-\frac{1}{2}=\frac{3}{4}b
Combine \frac{1}{4}b and \frac{1}{2}b to get \frac{3}{4}b.
\frac{3}{4}b=-\frac{1}{2}
Swap sides so that all variable terms are on the left hand side.
b=-\frac{1}{2}\times \frac{4}{3}
Multiply both sides by \frac{4}{3}, the reciprocal of \frac{3}{4}.
b=\frac{-4}{2\times 3}
Multiply -\frac{1}{2} times \frac{4}{3} by multiplying numerator times numerator and denominator times denominator.
b=\frac{-4}{6}
Do the multiplications in the fraction \frac{-4}{2\times 3}.
b=-\frac{2}{3}
Reduce the fraction \frac{-4}{6} to lowest terms by extracting and canceling out 2.
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