September 2018 1 11 Report

Rozwiąż układ równań :

a)

6 x - 2y = 9

3x + y - 4,5 = 0

b)

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

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

Bardzo proszę o szybkie rozwiazanie !! daje naj !!


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