Five times the difference of a number and 12 minus 4 times the same number is – 36. What is the equation?

Anyone know? is appreciated! will mark brainliest if correct!

What is the definition of exponential decay?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39