42=-7/9x

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Solution for 42=-7/9x equation: 


x in (-oo:+oo)

42 = (-7/9)*x // - (-7/9)*x

42-((-7/9)*x) = 0

(7/9)*x+42 = 0

7/9*x+42 = 0 // - 42

7/9*x = -42 // : 7/9

x = -42/7/9

x = -54

x = -54

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