Question

Solve for r:
r/3 + 6 = 8

Answer 1

cancel terms that are in both the numerator and denominator

r/r/3+6=8

1/1/3+6=8

add the numbers

result

19/3=8

the input is a contradiction:it has no solutions

Answer 2

r=3×(8-6)

r = 6

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