How i can usea the distribute property on this equation?

Can someone me do math because i am having a breakdown rn because i don’t get it

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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