September 2018 1 9 Report

rozwiąukład równań

g]{-2x+5y=-10

7x-4y=8

h]{9x+8y=1

5x-6y=11

zad2

rozwiąż równanie i sprawdz

a]{x=4-3y

x+y=-6

b]{-2x+y=-8

4x-3y=2

c]{x+7y=22

y=5x-2

d]{x-3y=-4

5x-2y=-7

e]{-3x-2y=-2

2x+3y=-2

f]{y=2x-8

-12x+9y=-6


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