a-2a/3=7

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


a in (-oo:+oo)

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

a-((2*a)/3)-7 = 0

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

1/3*a-7 = 0 // + 7

1/3*a = 7 // : 1/3

a = 7/1/3

a = 21

a = 21

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