Question 258126
Lets take each, one at a time.
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Problem One: Seven more than some number
seven = 7
more than means +
some number means a variable, lets say x
so, we get
7 + x
you can also write x + 7.
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Problem two: Nine more than some number
nine  = 9
more than means +
some number means a variable, lets say y
so, we get
9 + y
you can also write y + 9.