21-((7/5)x)

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Solution for 21-((7/5)x) equation: 


x in (-oo:+oo)

21-((7/5)*x) = 0

(-7/5)*x+21 = 0

21-7/5*x = 0 // - 21

-7/5*x = -21 // : -7/5

x = -21/(-7/5)

x = 15

x = 15

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