4/5x-7/10x=3

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Solution for 4/5x-7/10x=3 equation: 


x in (-oo:+oo)

(4/5)*x-((7/10)*x) = 3 // - 3

(4/5)*x-((7/10)*x)-3 = 0

(4/5)*x+(-7/10)*x-3 = 0

1/10*x-3 = 0 // + 3

1/10*x = 3 // : 1/10

x = 3/1/10

x = 30

x = 30

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