7a+7-5a=27

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Solution for 7a+7-5a=27 equation: 


a in (-oo:+oo)

7*a-(5*a)+7 = 27 // - 27

7*a-(5*a)-27+7 = 0

7*a-5*a-27+7 = 0

2*a-20 = 0 // + 20

2*a = 20 // : 2

a = 20/2

a = 10

a = 10

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