3/4+a+2a=9/4

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Solution for 3/4+a+2a=9/4 equation: 


a in (-oo:+oo)

a+2*a+3/4 = 9/4 // - 9/4

a+2*a+3/4-(9/4) = 0

a+2*a+3/4-9/4 = 0

3*a-3/2 = 0 // + 3/2

3*a = 3/2 // : 3

a = 3/2/3

a = 1/2

a = 1/2

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