The Roman numeral X represents the number 10. XX = 20 and 25 would be XXV. Finally X x 5 would be 50, which is represented by the Roman numeral L.
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Say x is 5 so 5 + 5 = 10 where as 5 times 5 = 25 The difference is "x + x" is a addition and "xx" (x times x) is a multiplication.
3 = 5+x-14 = 5 + x-1 = xx = -1
x=5 so it's 55+55= 110
no, because xx=x squared, and x squared is not linear
The idea is to simply replace x by its assumed value, 5. x + 6 = 5 + 6 = 11The idea is to simply replace x by its assumed value, 5. x + 6 = 5 + 6 = 11The idea is to simply replace x by its assumed value, 5. x + 6 = 5 + 6 = 11The idea is to simply replace x by its assumed value, 5. x + 6 = 5 + 6 = 11