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The LCF is 45 because 15 x 3 equals 45 and 9 x 5 equals 45. Now, multiply 8 x 3 to get 24 and 2 x 5 equals 10. 24 plus 10 equals 34. The answer is 34 over 45.
-45 over 9 = -5 -5 plus 5 = 0 QED -45 over (9 plus 5) is a different matter and = -3.2143.
x=3 cross multiply and you get 15x=45 then divide 45 by 15 and you get 3
45/9=5(45 divided by 9 equals 5)
X equals 10 l equals 50 v equals 5 since x is before l 50-10+5 equals 45