Match the solution with the question on task.md

On task.md, " -9  " has 2 white spaces before "-9".

Author: diegotc86

1-js/02-first-steps/08-operators/3-primitive-conversions-questions/solution.md

@@ -10,8 +10,8 @@ true + false = 1
 "4" - 2 = 2
 "4px" - 2 = NaN
 7 / 0 = Infinity
-" -9  " + 5 = " -9  5" // (3)
-" -9  " - 5 = -14 // (4)
+"  -9  " + 5 = "  -9  5" // (3)
+"  -9  " - 5 = -14 // (4)
 null + 1 = 1 // (5)
 undefined + 1 = NaN // (6)
 " \t \n" - 2 = -2 // (7)