How do I slove this x+7=3

MS. Arvelo wants to buy a new TV. She makes $50 a week pus an additional $20 each person she tutors. How many people will she have to tutor if the TV cost 120 dollars?

Samples of size and equals 900 are randomly selected from the population of numbers zero through nine produced by a random number generator in the population of numbers is greater than or equal to five is found for each sample.

Add using a number line. - 0.5 + (-1.7)

Mia made 5 pies. What fraction represents all of the pies? 5/10, 5/1, 5/5, 1/5

Determine the place value of the digit 2 in the following whole number: 3,204,000

If 3 - 5x = 2, then x =

What is sin 60 degree

Addison painted her room. She had 5 0 5050 square meters to paint, and she painted at a constant rate. After 2 22 hours of painting, she had 3 5 3535 square meters left.

Dan has $3.75. If he spends 1/3 of his money, how much will he have left? A. $1.25 B. $2.50 C. $7.50 D. $11.25

What's (-3x + 7) + (-6x + 9) and if you can, ow do I show work for that