-3x-15=45 what does x equal (answer)
-3x-15=45 -3x-15+15=45+15 -3x=60 -3x/-3=60/-3 x=-20
-3x-15=45 -3x-15+15=45+15 -3x=60 -3x/-3=60/-3 x=-20
Let first number of {} = 26 and add 13 to every number after 26 stopping at 52, and eliminate any number not ending in an even integer and ending in 0 to get the sum set. Stop at 998 to get 52 as the sum of each 3-number sets. 52/13= 4. There is just 26,39, and 52 as possibilities. 998+998=52...