10 и 11, заранее спасибо

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10 и 11, заранее спасибо


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Алгебра (72 баллов) | 17 просмотров
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Example: Bob: It is dangerous to live here.Bob explained it was dangerous to live there.1) Diana: Jane is relaxing now. She is having a holiday on the coast.2) Frank: The population of the city is growing.3) Mrs Crawford: We have done a lot today.4) Steve: I kept a diary three years ago.5) Ms Evans: These medicines are well-known.6) Barbara: I bought a new badge yesterday.7) Mary: I worked at the factory last year.

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помогите пж

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10)

а)8d+6d=14d

б)10х-х=9х

в)8а * 25 = 200а

г)12с-2k+c-8k=13c-10k

д)9p-(5+2p)=9p-5-2p=7p-5

е)-4(y+8)+3(y-5)=-4y-32+3y-15=-47-y

11)

а)y-16=46

y=62

б)9х=3

х=1/3

в)24/y=3/8

y=192/3

y=64

д)|x|=8

x=8;-8

е)1/12x + 1(1/3)=3/4

1/12x + 4/3 = 3/4

1/12x = 3/4 - 4/3

х = -7

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