3 years ago

0.25 r – 0.125 + 0.5 r = 0.5 + r . Solve for r.

1 answer:

6 0

0.25r - 0.125 + 0.5r = 0.5 + r

0.75r - 0.125 = 0.5 + r |add 0.125 to both sides

0.75r = 0.625 + r |subtract r from both sides

-0.25r = 0.625 |divide both sides by (-0.25)

r = - 2.5

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