September 2018 1 23 Report

ROZWIAZ ROWNANIA

1. { 0,2x + 0,5y = 2

{ -0,5x + 0,2y= 1,1

2. {1,2x - 0,5y = +7

{ 0,4x + 0,3y = -7

3. {2x-0,8y=-6,8

{0,5x + 1,2y = - 0,3

4. { 0,3x - 2,2y = -5

{ 2,3x - 1,1y = -6,8


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