a/3+a/5=4 - solution

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Solution for a/3+a/5=4 equation:

a in (-oo:+oo)

a/3+a/5 = 4 // - 4

a/3+a/5-4 = 0

8/15*a-4 = 0 // + 4

8/15*a = 4 // : 8/15

a = 4/8/15

a = 15/2

a = 15/2

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