(x-3)/2+(x+7)/2=42

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Solution for (x-3)/2+(x+7)/2=42 equation: 


x in (-oo:+oo)

(x-3)/2+(x+7)/2 = 42 // - 42

(x-3)/2+(x+7)/2-42 = 0

(x-3)/2+(x+7)/2+(-42*2)/2 = 0

x+x-42*2-3+7 = 0

2*x-84+4 = 0

2*x-80 = 0

(2*x-80)/2 = 0

(2*x-80)/2 = 0 // * 2

2*x-80 = 0

2*x-80 = 0 // + 80

2*x = 80 // : 2

x = 80/2

x = 40

x = 40

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