wykonaj działanie (algebra) (5x+7y)-8(y+1)+3(x-y)

(5x+7y)-8(y+1)+3(x-y)=(5x+7y)-8y-8+(-3y)=8x-1y-8-3y=8x-4y-8

(5x+7y)-8(y+1)+3(x-y)=5x+7y-8y-8+3x+3y=8x+2y-8

(5x+7y)-8(y+1)+3(x-y)=5x+7y-8y-8+3x-3y=8x-4y-8