30x=90(x-3/4)

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Solution for 30x=90(x-3/4) equation: 


x in (-oo:+oo)

30*x = 90*(x-(3/4)) // - 90*(x-(3/4))

30*x-(90*(x-(3/4))) = 0

30*x-90*(x-3/4) = 0

30*x-90*(x-3/4) = 0

135/2-60*x = 0

135/2-60*x = 0

135/2-60*x = 0 // - 135/2

-60*x = -135/2 // : -60

x = -135/2/(-60)

x = 9/8

x = 9/8

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