y=0.13...

Dyachenkoo @Dyachenkoo

July 2022 1 27 Report

Решить систему уравнений
x+y=19.6
x/y=0.13

Answers & Comments

Reideen

$\left \{ {{x+y=19,6} \atop {\frac{x}{y} =0,13}} \right.\\ \\\left \{ {{x+y=19,6} \atop {x=0,13y}} \right. \\\\\left \{ {{0,13y+y=19,6} \atop {x=0,13y}} \right.\\\\\left \{ {{1,13y=19,6} \atop {x=0,13y}} \right. \\\\\left \{ {{y=\frac{19,6}{1,13} } \atop {x=\frac{0,13*19,6}{1,13} }} \right. \\ \\\\\left \{ {{y=\frac{19,6}{1,13} } \atop {x=\frac{2,548}{1,13} }} \right.$

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