4 years ago

What is the value of r in the equation 4r − 8 = 5r + 12? −20 −1 1 20

Mathematics

2 answers:

Montano1993 [528]4 years ago

4 0

$4r-8=5r+12\\-8-12=5r-4r\\-20=r$
Thus your answer is -20.

Readme [11.4K]4 years ago

3 0

The answer is -20. if you move all of the numbers with r to the right and all of the numbers without r to the left, you get r = -20.

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