Solve for r.
|3r| = 3

r = -1

or

r = 1

Step-by-step explanation:

because the outer lines "|    |" mean the absolute value, or the absolute opposite value of what is inside "|   |"

this means that if r = -1 then

3(-1) = -3 but -3 is in "|  |" so

|-3| = 3

and

|3| = 3

therefore r can equal -1 and/or 1

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r= 1, -1

Step-by-step explanation: