(x+7)/2=(3x-1)/4

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Solution for (x+7)/2=(3x-1)/4 equation: 


x in (-oo:+oo)

(x+7)/2 = (3*x-1)/4 // - (3*x-1)/4

(x+7)/2-((3*x-1)/4) = 0

(x+7)/2+(-1*(3*x-1))/4 = 0

(4*(x+7))/(2*4)+(-1*2*(3*x-1))/(2*4) = 0

4*(x+7)-1*2*(3*x-1) = 0

30-2*x = 0

(30-2*x)/(2*4) = 0

(30-2*x)/(2*4) = 0 // * 2*4

30-2*x = 0

30-2*x = 0 // - 30

-2*x = -30 // : -2

x = -30/(-2)

x = 15

x = 15

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