The number of each shirt and each pair of pants is $2 and $2; option B
There are different types of equation:
This is a finite sets of equations whose common solutions are sought. There are two unknown variables in simultaneous equation.
There are three different methods of solving simultaneous equation
Using elimination method
let
2x + y = 6
x + y = 4
2x - x = 6 - 4
x = 2
x + y = 4
2 + y = 4
y = 4 - 2
y = 2
Therefore, the number of each shirt and each pair of pants is $2 and $2
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