Which equation is equivalent to 3x+5y+x-2y

Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)

What does x = in this equation x+3+2x=x+5

Define multiplicative inverse. give an example of a number and its multiplicative inverse.