s20111605 s20111605

16-04-2020
Mathematics

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

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boboayo1 boboayo1

16-04-2020

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.

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