Solve for α
\alpha =3-\gamma -\beta
Solve for β
\beta =3-\gamma -\alpha
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\alpha +\gamma =3-\beta
Subtract \beta from both sides.
\alpha =3-\beta -\gamma
Subtract \gamma from both sides.
\beta +\gamma =3-\alpha
Subtract \alpha from both sides.
\beta =3-\alpha -\gamma
Subtract \gamma from both sides.
Examples
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