-7=1/3x

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Solution for -7=1/3x equation: 


x in (-oo:+oo)

-7 = (1/3)*x // - (1/3)*x

-((1/3)*x)-7 = 0

(-1/3)*x-7 = 0

-1/3*x-7 = 0 // + 7

-1/3*x = 7 // : -1/3

x = 7/(-1/3)

x = -21

x = -21

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