September 2018 2 56 Report

1) 2x+3y+4(y-5x)=


1) (3m+4n)+(6n-9m):3=


3) 20x-(16x-8y+10): (-4)=


4) 9(a-c)+(12c-8a-6): (-2) =

SZYBKO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


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