Solve for x_2
x_{2}=0
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3+\frac{-9}{3}=x_{2}
Multiply \frac{1}{3} and -9 to get \frac{-9}{3}.
3-3=x_{2}
Divide -9 by 3 to get -3.
0=x_{2}
Subtract 3 from 3 to get 0.
x_{2}=0
Swap sides so that all variable terms are on the left hand side.
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