3n + 4
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7/ 3/
Whatever expression equals 22.
its 3x
In Roman numerals, the symbols I, X, C, and M can be repeated up to three times in a row to represent numbers. For example, III represents 3, XXX represents 30, CCC represents 300, and MMM represents 3000. Any repetition beyond three times would break the standard Roman numeral rules and would not be considered a valid representation of a number.
Three times a number is 10 less five times the number can be put in the form of an equation that looks like this: 3x = 5x-10. Now just solve for x...