I'm confused on this one 4x − 8 = 12

4x − 8 + 8 = 12 + 8

4x = 20

4
4
x =
20
4

x =
how do i do it step for step

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.