7+m+m=13 - solution

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Solution for 7+m+m=13 equation:

m in (-oo:+oo)

m+m+7 = 13 // - 13

m+m-13+7 = 0

2*m-6 = 0 // + 6

2*m = 6 // : 2

m = 6/2

m = 3

m = 3

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