Answer :
The required number form is x = 10.
What are algebraic expressions?
In mathematics,an algebraic expression is an expression built up from integer constants, variables, and the algebraic operation.
The given statement is Ten more than half a number is fifteen.
Now,here
more than means addition,
half means 1/2
ten is 10
fifteen is 15
Now suppose x be the number ,then according to the expression the algebraic expression can be of the form,
x/2 + 10 = 15
Substraction 10 from both side,
x/2 + 10 - 10 = 15 - 10
Solving both side,we get
x/2 = 5
Multiplying both side by 2, we get
x = 10
Therefore,the required number form is x = 10.
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