3x-(5x/4)=12

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Solution for 3x-(5x/4)=12 equation: 


x in (-oo:+oo)

3*x-((5*x)/4) = 12 // - 12

3*x-((5*x)/4)-12 = 0

3*x+(-5/4)*x-12 = 0

7/4*x-12 = 0 // + 12

7/4*x = 12 // : 7/4

x = 12/7/4

x = 48/7

x = 48/7

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