The sum of three numbers is 45. The second of the three numbers is three more than twice the first number, x. The thira number is two more than the first number, x. Which equation can be used to solve for the first number, X?
O x + 5x + x + 2 = 45
O x + x + 3 + x + 2 = 45
O x + 3x + 2 + x + 2 = 45
O x + 2x + 3 + x + 2 = 45

idk

step-by-step explanation:

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)