r/7.1=4.2

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Solution for r/7.1=4.2 equation: 


r in (-oo:+oo)

r/7.1 = 4.2 // - 4.2

r/7.1-4.2 = 0

0.14084507*r-4.2 = 0 // + 4.2

0.14084507*r = 4.2 // : 0.14084507

r = 4.2/0.14084507

r = 29.82000009

r = 29.82000009

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