The number 7 in the algebraic expression is the number of people among whom the strawberries were split.
We have been the expression 9x/7
Here x represents the number of containers.
According to the algebraic expression given the coefficient of x is 9 that is the numerator can be written as
9*x that is 9 is multiplied x times. As x is the number of containers so lets denote the number 9 as the number of strawberries in each container.
So if there are 9 strawberry in 1 container then number of strawberries in x container will be given by unitary method that is,
1 container = 9 strawberry
x container = 9*x strawberries
Therefore there are total 9x strawberries.
These strawberries were split among 7 people. Then each person getting the number of strawberries is given by:
9x/7
Hence 7 represents the number of people among whom the strawberries were split.
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