If it was in standard notation it would be very confusing to add the number of cells and it would be less organized.
Kayla wrote an equation.
William wrote an inequality.
They both have solutions.
Kayla's solution is x=4 .
William's solution is x > -2.5 .
Brandon and Alice wrote expressions.
Those are just numbers, that depend on the value of 'x'.
This is the answer the x=3 and the y=2
The ones that match are
1 and 5
2 and 6
7 and 3
8 and 4