7a+5=-2

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Solution for 7a+5=-2 equation: 


a in (-oo:+oo)

7*a+5 = -2 // + 2

7*a+2+5 = 0

7*a+7 = 0 // - 7

7*a = -7 // : 7

a = -7/7

a = -1

a = -1

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