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BARTAGA
@BARTAGA
August 2021
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Упростите выражения:
а) 4(4x-2)+7(1-6x)
б) 0,3(x-5y-2)-0,8(2y-3x)
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tatsach
а) 4(4x-2)+7(1-6x)=16х-8+7-42х=-26х-1
б) 0,3(x-5y-2)-0,8(2y-3x)=0.3х-1.5у-0.6-1.6у+2.4х=2.7х-3.1у-0.6
3 votes
Thanks 2
Pikuska
А) 4(4x-2)+7(1-6x)=16x-8+7-42x=-26x-1
б) 0,3(x-5y-2)-0,8(2y-3x)=0,3x-1,5y-0,6-1,6y+2,4x=2,7x-3,1y-0,6
2 votes
Thanks 2
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Answers & Comments
б) 0,3(x-5y-2)-0,8(2y-3x)=0.3х-1.5у-0.6-1.6у+2.4х=2.7х-3.1у-0.6
б) 0,3(x-5y-2)-0,8(2y-3x)=0,3x-1,5y-0,6-1,6y+2,4x=2,7x-3,1y-0,6