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Anonymous
x isn't in the calculation so it cant be solved.
Wiki User
find x+x+x when x=15 15+15+15=45
1over3x+x+x+8+x=15
x = 13
x=5
If 40 plus x equals 25 then x is equal to -15.
x = 15
If: x+10 = 15 then x = 5
7+x=15 x=8
x = -7
X=7
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