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bubba24640
18.03.2020 •
Mathematics
2y-3[3-4(y-5)+2(1-3y)]
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Ответ:
- 75 - 32y
Step-by-step explanation:
2y-3[3-4(y-5)+2(1-3y)]
= 2y - 3(3 - 4y + 20 + 2 - 6y)
= 2y - 3(25 - 10y)
= 2y - 75 - 30y
= - 75 - 32y
Brainliest???
Ответ:
Step-by-step explanation:
2y-3[3-4(y-5)+2(1-3y)] = 2y - 3[ 3 - 4*y - (-4)*5 + 2*1 -2*3y]
= 2y -3[ 3- 4y+ 20+ 2- 6y]
= 2y - 3[ 3+20+2 -4y-6y] {bring the like terms together}
=2y- 3 [25 - 10y]
=2y - 3*25 - (-3)*10y
= 2y - 75 + 30y
= 32y - 75
Ответ:
= -3x + 6.3y + 5x - 4.2y
= 2x + 2.1y