5+7a=5a-15

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Solution for 5+7a=5a-15 equation: 


a in (-oo:+oo)

7*a+5 = 5*a-15 // - 5*a-15

7*a-(5*a)+5+15 = 0

7*a-5*a+5+15 = 0

2*a+20 = 0 // - 20

2*a = -20 // : 2

a = -20/2

a = -10

a = -10

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