2+7a=5/7a-42

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Solution for 2+7a=5/7a-42 equation: 


a in (-oo:+oo)

7*a+2 = (5/7)*a-42 // - (5/7)*a-42

7*a-((5/7)*a)+2+42 = 0

7*a+(-5/7)*a+2+42 = 0

44/7*a+44 = 0 // - 44

44/7*a = -44 // : 44/7

a = -44/44/7

a = -7

a = -7

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