Question

Реши систему:
{z=10+t
{z−2t+1=3
срочно

Answer 1

$\left. \right\{z = 10t, \\ </p><p>\left. \right\{z - 2t + 1 = 3; \\ 10t - 2t + 1 = 3; \\ 8t = 2; \\ \bf \Huge \: t = \frac{1}{4} ; \\ z = 10 \bigg( \frac{1}{4} \bigg) ; \\ \bf \Huge \: z = 2.5.$