How do i solve for b in this equation

-1=-1/2x4+b

Roxanne has 1/2 as many beads as Sherrie. The number of beads Sherrie has is 4/5 that of Ting Ting's. Ting Ting has 165 beads. How many more beds does Ting Ting have than Roxanne?

The two smaller angles of a right triangle have equal measures. Find the measure of the smaller two angles, and the measure of the largest angle, in degrees

An accountant used to charge $50 per hour, but recently decided to charge $53 per hour. What was the percent of increase in the billing rate?

What is the solution of log3x - 5 16 = 2?

4.) A concert charges $24.50 per daily adult ticket and $13.75 per child's ticket. A group of 90 people paid $1560.00 for tickets.

You deposit $700 in an account paying 7.7% simple interest. Find the future value of the investment after 2 years. (Enter a number. Round your answer to two decimal places.)

What are two expressions where the solution is 19

The sum of two numbers is 17. The difference between the larger number (x) and the smaller number (y) is 7. What is the value of the smaller number?

10 kilograms = ? grams

A sporting goods store sells 6 baseballs, 9 footballs, and 10 basketballs on Saturday. The store sells 3 baseballs, 5 footballs, and 7 basketballs on Sunday. Which ratio is the smallest?