-1.5x less than or equal to -9/2


need help solving

-1.5x <= -9/2, 2 ways to solve this problem, 1) Convert all values to decimal or 2) Convert all values to fraction.

1) -1.5 == -3/2 by substitution -> -3/2x <= -9/2
x <= -9/2 * - 2/3
x <= 3

2) -9/2 == -4.5 by substitution -> -1.5x <= -4.5
x <= -4.5/-1.5
x <= 3