May 2022 2 5 Report
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Doprowadź do najprostszej postaci:

a) ( 8x – 2y) + ( 2x - 8) +20 =



b) (2x - 3) + ( 5x - 5) - ( 2x - 9)=



c) 6( 2a+5b-2) =



d) -5(-x+3y-4) =



e) 4( 2a + b) – 3( 3a + 6b – 1 ) +3 a =



f) 2( 7x + 2y) - 4( 3x - 8y) +3(2x - 4 ) =

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