1/5x-9/10x=30-51

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Solution for 1/5x-9/10x=30-51 equation: 


x in (-oo:+oo)

(1/5)*x-((9/10)*x) = 30-51 // - 30-51

(1/5)*x-((9/10)*x)-30+51 = 0

(1/5)*x+(-9/10)*x-30+51 = 0

21-7/10*x = 0 // - 21

-7/10*x = -21 // : -7/10

x = -21/(-7/10)

x = 30

x = 30

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