Jose sold half of his comic books and then bought 25 more. He now has 45. How many did he start out with?
1 answer:
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Answer:
In basicallity if a question such as this pops up, the correct way to go would first be to graph this. y=x-4 would be equivalent to x=4.
My paper work is below:
y = x - 4
0 = x - 4
-x = -4
x = 4
Hope this helped..
