I can’t find the answer

Does anyone know how to do geometryme with this problem

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

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)