Simplify expression using the properties of real numbers. The picture is above.

3x+(5x+2x) is 3 times a number, added to the sum of 5 times a number, and 2 times a number. x is the same in the whole of the equation, but i have no idea how to find the number with that ;-; sowwy

Step-by-step explanation:

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

i hope this is what you were looking for.

see attached graph