A girl is × years old and her cousins age is ×- 5 years. How old is her cousin if she is 7years old?
who is she? the girl, or the cousin?
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To find out the age of the girl's cousin, we need to first determine the value of "x" in relation to the girl's age. From the given information, we know that the girl's age is "7 years old".
So, we can substitute the value of the girl's age in the original equation: × = 7 years.
Next, we can substitute this value of "x" into the equation representing the cousin's age, which is × - 5.
Substituting × = 7 into × - 5, we get: 7 - 5 = 2.
Therefore, if the girl is 7 years old, her cousin is 2 years old.