-4.2=x/7

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Solution for -4.2=x/7 equation: 


x in (-oo:+oo)

-4.2 = x/7 // - x/7

-(x/7)-4.2 = 0

-1/7*x-4.2 = 0 // + 4.2

-1/7*x = 4.2 // : -1/7

x = 4.2/(-1/7)

x = -29.40000059

x = -29.40000059

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