October 2018 2 16 Report

1. METODĄ PODSTAWIANIA

{3(x-2y)=-9

{4x+3y=10

2.Rozwiąż układy równań:

{5x+y=9

{y=x+3

....................

{4(x-y)+5(x+y)=16

{4x-5y=18

.........................

{3x+1[przez] 2 + 2y-1[przez] 7 = 6

{x+y - 2x-3y[przez]2 =10


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