30=-5/7x

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Solution for 30=-5/7x equation: 


x in (-oo:+oo)

30 = (-5/7)*x // - (-5/7)*x

30-((-5/7)*x) = 0

(5/7)*x+30 = 0

5/7*x+30 = 0 // - 30

5/7*x = -30 // : 5/7

x = -30/5/7

x = -42

x = -42

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