Solve for x_1
x_{1}=-\left(x_{2}-3x_{3}+10\right)
Solve for x_2
x_{2}=-\left(x_{1}-3x_{3}+10\right)
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x_{1}-3x_{3}=-10-x_{2}
Subtract x_{2} from both sides.
x_{1}=-10-x_{2}+3x_{3}
Add 3x_{3} to both sides.
x_{2}-3x_{3}=-10-x_{1}
Subtract x_{1} from both sides.
x_{2}=-10-x_{1}+3x_{3}
Add 3x_{3} to both sides.
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