Раскрой скобки и приведи подобные слагаемые:
1.7(2x-3)+(3x-2)
2.-2(4x+8)-3(5k-1)
3.-8(2-2y)+4(3-4y)
4.(3x-11)2-5(4-3x)
1.7(2x-3)+(3x-2)
2.-2(4x+8)-3(5k-1)
3.-8(2-2y)+4(3-4y)
4.(3x-11)2-5(4-3x)
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Answers & Comments
2. -2(4х+8)-3(5к-1)=-8х-16-15к+3=-8х-13-15к
3. -8(2-2у)+4(3-4у)=-16+16у+12-16у=-4
4. (3х-11)*2-5(4-3х)=6х-22-20+15х=21х-42