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Rusakova20142001
@Rusakova20142001
July 2022
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раскройте скобки и упростите выражение
а)2(3-х)-(8+х)
б)-4(у+5)+(12-у)
в)-(7-х)+4(х-5)
г)-9(у-4)-(12+у)
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Answers & Comments
yankin100
A) 2(3-x)-(8+x)=6-2x-8-x=-2-6x
б) -4(y+5)+(12-y)=-4y-20+12-y=3y-8
в) -(7-x)+4(x-5)=-7+x+4x-20=5x-27
г) -9(y-4)-(12+y)=-9y+36-12-y=-10y+24
надеюсь помог))
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Answers & Comments
б) -4(y+5)+(12-y)=-4y-20+12-y=3y-8
в) -(7-x)+4(x-5)=-7+x+4x-20=5x-27
г) -9(y-4)-(12+y)=-9y+36-12-y=-10y+24
надеюсь помог))