45 plus something equal 180 = 225
45 x 45 = 2025
-45.
45
103
-30
45
45 grams is equal to 0.045 kilograms.
90.
3/45 is equal to 1/15
45 mph is equal to approximately 72.42 kph.
Okay - you have the expression 9h-21=24... It's telling you that something minus 21 is 24. The unknown value 9h must equal 21+24 (which is 45). Therefore the value of h is 5. 9x5=45. 45-21=24.