The expression represents how old Nelly will be in four years
is x + 4.
The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.
Given that Nelly was born x years ago
If Nelly x years, and you want to see how old she is in four.
You would do x + 4.
For example, let's say you knew Nelly was 9.
How old is she in 4 years?
⇒ x + 4.
Replace it ( 9 + 4 ),
She would be 13 in 4 years.
x could be any number of ages and it would be true.
Her age + 4 = her age in 4 years.
So, x + 4
Hence, the expression represents how old Nelly will be in four years
is x + 4.
Learn more about the equation here:
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