August 2018 2 21 Report
Bener nggak sih jawabannya ?
1.(3x-2y-4)+(-5x-3y-1)=-2x+y-11
3x+-5x=-2x
-2y+-3y=y
-4+-1=-11
2.(-3x-4y-10)+(-10x+12)=-3x-4y-2
-3x+-10x=-13x
-4y -10+12=-2

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