Is the equation `2x\ +y=3` equivalent to `6x+3y=9?`Explain how you know. What do you notice about the two equations?

idk

Step-by-step explanation:

if u use photo math it  will help or ask google but yeah i dont know bc i am really young

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98