(2x+1)/3+(15-x)/4=x

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Solution for (2x+1)/3+(15-x)/4=x equation:


x in (-oo:+oo)

(2*x+1)/3+(15-x)/4 = x // - x

(2*x+1)/3+(15-x)/4-x = 0

(4*(2*x+1))/(3*4)+(3*(15-x))/(3*4)+(3*4*(-x))/(3*4) = 0

4*(2*x+1)+3*(15-x)+3*4*(-x) = 0

5*x-12*x+49 = 0

49-7*x = 0

(49-7*x)/(3*4) = 0

(49-7*x)/(3*4) = 0 // * 3*4

49-7*x = 0

49-7*x = 0 // - 49

-7*x = -49 // : -7

x = -49/(-7)

x = 7

x = 7

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