42=-7/5x

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Solution for 42=-7/5x equation: 


x in (-oo:+oo)

42 = (-7/5)*x // - (-7/5)*x

42-((-7/5)*x) = 0

(7/5)*x+42 = 0

7/5*x+42 = 0 // - 42

7/5*x = -42 // : 7/5

x = -42/7/5

x = -30

x = -30

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