5x-1+7x-5=180

how do i get the answer

What you get when you add numbers together

In a coin collection, the number of dimes is 10 less than three times the number of quarters. If the collection has 56 dimes, How many quarters are in the collection?

Colin has an ice cube tray with 12 identical compartments. Each compartment is a prism that is 4 cm. long, 3 cm. wide, and 3 cm. high. given that one cubic cm. holds one ml of water, how many ml can the tray hold?

Mrs. Brown's class can earn 5mintues of extra recess for each marble she puts in a jar. The class has 15 minutes of recess each morning. Make an input/output table to find how many minutes of recess they will get if they 3 marbles.

Write 13/16 as a decimal

What is the quadratic function that is created with roots at 2 and 4 and a vertex at (3, 1) ?

Four candidates are running for president of the student council. Three other candidates are running for vice-president. How many different ways can the two offices be filled? a. 6 different ways c. 12 different ways b. 10 different way d.

Abcd is a rectangle with b (-5, 0), c (7, 0) and d (7, 3). find the coordinatesof a.

Mary can make a costume twice as fast as Sam can. If they both work together, they can make it in 6 hours. How long will it take Mary to make the costume if she works alone?

An equiangular triangle is also known as: acute right. regular obtuse