7+a+a=23

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Solution for 7+a+a=23 equation: 


a in (-oo:+oo)

a+a+7 = 23 // - 23

a+a-23+7 = 0

2*a-16 = 0 // + 16

2*a = 16 // : 2

a = 16/2

a = 8

a = 8

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