Which of the following is the solution set of 18 - 3n + 2 = n + 20 - 4n?

All real values of n

Step-by-step explanation:

18 - 3n + 2 = n + 20 - 4n

20 - 3n = 20 - 3n

20 = 20

Since both sides are identical, this equation is true for all real values of n

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.