Solve for a.
12 + a = b

a = b - 12

Step-by-step explanation:

Step 1:

12 + a = b      Linear Equation

Step 2:

a = b - 12      Subtract 12 on both sides

a = b - 12

Hope This Helps :)

correct answer:

i^31 = -i

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