3a-4/5=7-2a/5

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Solution for 3a-4/5=7-2a/5 equation: 


a in (-oo:+oo)

3*a-(4/5) = 7-((2*a)/5) // - 7-((2*a)/5)

3*a+(2*a)/5-(4/5)-7 = 0

3*a+(2*a)/5-4/5-7 = 0

17/5*a-39/5 = 0 // + 39/5

17/5*a = 39/5 // : 17/5

a = 39/5/17/5

a = 39/17

a = 39/17

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