How does x/2-12=-14 I don't understand where the negative comes from

I have to solve this equation by completing the square.

Solve 3x + 2 = 15 for x using the change of base formula log base b of y equals log y over log b.

If Mary paid 14.08 for 6.4 pounds of strawberries, what was the price of one pound of strawberries?

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The graph shows a proportional relationship between the cost of carpet cleaning (y-axis) and the area of the carpet (x-axis).

How many extraneous solutions does the equation below have? 9 / (n^2+1) = (n+3) / 4 A) 0 B) 1 C) 2 D) 3

what would (2, 3), (4, 3), and (5, 2) look like if it was reflected over the x-axis

55% of the 400 students at a school went to the game. Select true or false A. 55 students went to the game. B. 180 students did not go to the game. C. More than half the students went to the game.

What is the y-intercept for y=3 (x-5) (x+4) ?

Is-54/9 an rational number?

Whats 31 divided by 45