28-1/30(4x)=21-1/30(3x)

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Solution for 28-1/30(4x)=21-1/30(3x) equation: 


x in (-oo:+oo)

28-(4*(1/30)*x) = 21-(3*(1/30)*x) // - 21-(3*(1/30)*x)

3*(1/30)*x-(4*(1/30)*x)-21+28 = 0

(-2/15)*x+3*(1/30)*x-21+28 = 0

7-1/30*x = 0 // - 7

-1/30*x = -7 // : -1/30

x = -7/(-1/30)

x = 210

x = 210

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