Find the equilibrium solution for
$$x_1'(t) = -7.2 + 1.2x_1 - 0.8x_2$$
$$x_2'(t) = -13.8 + 2.1x_1 - 1.2x_2$$
$$x_1(0) = 12; \,\; x_2(0) = 8$$
Equilibrium: $x_1^e =$ , $x_2^e =$ .

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