Question

-2r + 3 is greater than or equal to 19 on a number line?

Answer 1

Answer:

r<=-8 or                     r is less than or equal 8

Step-by-step explanation:

-2r+3>=19

-2r>=16

r<=-8

you flip the sign when the variable is a negative. To plot this on a number line place a close circle on -8 moving to the left direction.