What's the value of x if 7x-5 = 5x+23

2 (2x - 5 - 4) = 160 - 17

What steps are used to solve the equation? g - 8 = 14 Complete the statements. First, both sides of the equation. The solution of the equation is. Check the solution by substituting for g and simplifying.

Tracy had 87 nickels. She used some of her nickels to buy a cookie. Tracy later found 19 nickels in her backpack. Now Tracy has 64 nickels. How many nickels did Tracy use to buy the cookie?

If r and s can be any integers such that s > 10 and 2r + s = 15, which of the following is the solution set for r?

Estimate the sum. 3,982+4,592

What is the domain of f (x) = 5x^2 2x-1

What is seven times three

List all factor for each number 100. 65. 70

What is a rational number that is between 9.5 and 9.7? What is an irrational number between 9.5 and 9.7?

There are approximately 2.5 million births in a country each year. Find the birth rate in units of births per minute