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a+\frac{3}{4}-\frac{3}{4}a=\frac{1}{4}
Subtract \frac{3}{4}a from both sides.
\frac{1}{4}a+\frac{3}{4}=\frac{1}{4}
Combine a and -\frac{3}{4}a to get \frac{1}{4}a.
\frac{1}{4}a=\frac{1}{4}-\frac{3}{4}
Subtract \frac{3}{4} from both sides.
\frac{1}{4}a=\frac{1-3}{4}
Since \frac{1}{4} and \frac{3}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{1}{4}a=\frac{-2}{4}
Subtract 3 from 1 to get -2.
\frac{1}{4}a=-\frac{1}{2}
Reduce the fraction \frac{-2}{4} to lowest terms by extracting and canceling out 2.
a=-\frac{1}{2}\times 4
Multiply both sides by 4, the reciprocal of \frac{1}{4}.
a=\frac{-4}{2}
Express -\frac{1}{2}\times 4 as a single fraction.
a=-2
Divide -4 by 2 to get -2.