Люди помогите пожалуйста очень срочно . Created by tkasyan030. algebra-ru

Люди помогите пожалуйста очень срочно ...

tkasyan030 @tkasyan030

July 2022 1 6 Report

Люди помогите пожалуйста очень срочно

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LuciferMotningstar

$A)\; \left \{ {{x-y=3\;|\;*(-3)} \atop {3x+2y=1}} \right. \rightarrow \left \{ {{-3x+3y=-9} \atop {3x+2y=1}} \right.$

$B)\; \left \{ {{3x+4y=10\;|\;*4} \atop {4x+3y=5\;|\;*(-3)}} \right. \rightarrow \left \{ {{12x+16y=40} \atop {-12x-9y=-15}} \right.$

$C)\; \left \{ {{3p-c=2} \atop {3p+2c=6}} \right. \rightarrow \left \{ {{-c+3p=2} \atop {2c+3p=6\;|\;*(-1)}} \right. \rightarrow \left \{ {{-c+3p=2} \atop {-2c-3p=-6}} \right.$

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