September 2018 2 40 Report

Prosze o rozwiazanie rownan(sa one w klamerkach):

1)

4a-7b=-19

3a+2b=22

2)

5(x-3y)=-7(3y+x)

-3(x+4)+2(3-5y)=0

Prosze tak w miare mozliwosci opisac jak sie to rozwiazuje:)

Dziekuje


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