С ОБЪЯСНЕНИЕМ -4 (5-4х)=х+1 -4 (-7+6х)=-9х-5 4+5(-3х+7)=-9 5+10 (-10х-9)=-3 8-4

С ОБЪЯСНЕНИЕМ
-4 (5-4х)=х+1
-4 (-7+6х)=-9х-5
4+5(-3х+7)=-9
5+10 (-10х-9)=-3
8-4 (-7х+8)=4
1-6 (2x-3)=-2
- Предмет:
  Математика
- Автор:
  landon195
- 5 лет назад

Ответы 2

Используя сочетательное свойство умножения получаем:а(в+с)=ав+ас-4*5-4*(-4х)=х+1-20+16х=х+116х-х=1+2015х=21х=21/15х=1,428-24х=-9х-528+5=24х-9х15х=33х=33/15х=2,24-15х+35=-94+35+9=15х15х=48х=48/15х=3,25-100х-90=-35-90+3=100х100х=-8,2х=-8,2/100х=-0,828+28х-32=428х=4+32-828х=28х=28/28х=11-12х+18=-21+18+2=12х12х=21х=21/12х=1.75
- Автор:
  neildgzv
- 5 лет назад
- 0
Вот, извиняюсь за почерк.
- Автор:
  bennyld4q
- 5 лет назад
- 0
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С ОБЪЯСНЕНИЕМ -4 (5-4х)=х+1 -4 (-7+6х)=-9х-5 4+5(-3х+7)=-9 5+10 (-10х-9)=-3 8-4 (-7х+8)=4 1-6 (2x-3)=-2

Ответы 2

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С ОБЪЯСНЕНИЕМ
-4 (5-4х)=х+1
-4 (-7+6х)=-9х-5
4+5(-3х+7)=-9
5+10 (-10х-9)=-3
8-4 (-7х+8)=4
1-6 (2x-3)=-2