3a+4+1/2a=4

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Solution for 3a+4+1/2a=4 equation: 


a in (-oo:+oo)

3*a+(1/2)*a+4 = 4 // - 4

3*a+(1/2)*a-4+4 = 0

7/2*a = 0 // : 7/2

a = 0

a = 0

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