3+3a+4a=45

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Solution for 3+3a+4a=45 equation: 


a in (-oo:+oo)

3*a+4*a+3 = 45 // - 45

3*a+4*a-45+3 = 0

7*a-42 = 0 // + 42

7*a = 42 // : 7

a = 42/7

a = 6

a = 6

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