For the following system, use the second equation to make a substitution for x in the first equation.

3x + 2y=7

x-y+3 = 0

What is the resulting equation?

3x - y - 3 + 2y = 7

3ly - 3) + 2y = 7

3y-3 + 2y = 7

Currency on hand = 2,000 Swiss francs Currency desired = Dutch guilders (Holland) How many guilders based on Wednesday rate? (Hint: Convert 2,000 Swiss francs to United States dollars. Then convert United States dollars into guilders.)

Five soccer players each contributed an equal share toward a $50 gift for their coach. Write and solve an algebraic equation to find out how much each player paid.

4a+15 whats the answer

The flower shop had 568 flowers on Monday. By Tuesday the shop had 159 flowers left. How many flowers had been sold

The sum of three consecutive even number is 120 find the number by solving a lunar equation

F (x) = - 9x+4 h (x) = - 4/5x+8/5 State if the given functions are inverses.

if you have 10 cookies and you want to give 1/2 of them to a friend. How many do you give to your friend

There are 8 fewer tigers than lions at the zoo. There are 8 tigers at the zoo. How many lions does the zoo have?

Suppose that an individual has a body fat percentage of 19.7% and weighs 143 pounds. How many pounds of her weight is made up of fat? Round your answer to the nearest tenth.

What is the annual value of a 401 (k) plan in which the employer agrees to match 3.5% if the employee contributes $10,000?