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\frac{5}{2}x+9-x=\frac{15}{2}
Subtract x from both sides.
\frac{3}{2}x+9=\frac{15}{2}
Combine \frac{5}{2}x and -x to get \frac{3}{2}x.
\frac{3}{2}x=\frac{15}{2}-9
Subtract 9 from both sides.
\frac{3}{2}x=\frac{15}{2}-\frac{18}{2}
Convert 9 to fraction \frac{18}{2}.
\frac{3}{2}x=\frac{15-18}{2}
Since \frac{15}{2} and \frac{18}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{3}{2}x=-\frac{3}{2}
Subtract 18 from 15 to get -3.
x=-\frac{3}{2}\times \frac{2}{3}
Multiply both sides by \frac{2}{3}, the reciprocal of \frac{3}{2}.
x=\frac{-3\times 2}{2\times 3}
Multiply -\frac{3}{2} times \frac{2}{3} by multiplying numerator times numerator and denominator times denominator.
x=\frac{-3}{3}
Cancel out 2 in both numerator and denominator.
x=-1
Divide -3 by 3 to get -1.