55
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10≠-45
10=10
I'm not going to write a proof, because, well, why? Perhaps you missed out some variables?
X equals 10 l equals 50 v equals 5 since x is before l 50-10+5 equals 45
45
5x-10=45 +10 +10 -------------------- 55 _____ 5 x=11
9/10 of 45 equals 40.5
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.