Daca 2 camasi si 6 tricuri costa 250 lei iar 2 camasi si 1 tricou costa 125 lei, calculati pretul unui tricou si e pe metoda comparatiei

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total