(x+(x+1))/2=28

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Solution for (x+(x+1))/2=28 equation: 


x in (-oo:+oo)

(x+x+1)/2 = 28 // - 28

(x+x+1)/2-28 = 0

(2*x+1)/2-28 = 0

(2*x+1)/2+(-28*2)/2 = 0

2*x-28*2+1 = 0

2*x-55 = 0

(2*x-55)/2 = 0

(2*x-55)/2 = 0 // * 2

2*x-55 = 0

2*x-55 = 0 // + 55

2*x = 55 // : 2

x = 55/2

x = 55/2

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