How to solve this problem x + 9=-12

If 2t + 3 = - 9, what is the value of - 3t - 7?

273 students responded to a survey asking whether a bulldog, a lion, or tiger should be the new school mascot. 4 times as many students chose bulldog as tiger. Twice as many chose lion as tiger. How many chose lion.

A number cube is rolled 63 times. predict how many times the cube will land on a number that is a factor of 6.

Simplify (1 - (-1/3)) (1-5/6)

Sophia is scheduled to work 4 hours each day, Monday through Friday she also works 8 hours on Saturday she has four weeks off work each year. How many hours will Sophia work each year? There are 52 weeks in one year

Tell whether the statement is true or false. 8 €{16, 24, 32, 40, 48} False True

What integer is the opposite of - 6? a. 1/6 b. 6 c. - 1/6 d. - 6

Anthony decided to buy two DVDs that we're not included in the deal. His price was $21.60. The sales tax is 8 percent. What was the cost of the two DVDs before the sales tax was added?

Evaluate h (0). what does this value tell you? Explain in the context of the problem

How did or do other cultures measure their years and what year is the current year for those calendars?