1+\left(-\dfrac{2}{3}\right)-(-m)1+(−
3
2
)−(−m)1, plus, left parenthesis, minus, start fraction, 2, divided by, 3, end fraction, right parenthesis, minus, left parenthesis, minus, m, right parenthesis where m = \dfrac{9}{2}m=
2
9
m, equals, start fraction, 9, divided by, 2, end fraction.
