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telo118 [61]
3 years ago
10

How do you do this? I’m stuck, it’s so complicated. And could you tell me the answers to?

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

1. 18 = 3/4(y+8)-3

18 = 3/4y+6-3

18 = 3/4y+3

3/4y = 15

y = 20

2. 1/2(x+4)+1/2(x+4)=8 ---> (1/2+1/2)(x+4)=8 (quick trick :))

(1)(x+4)=8

x+4=8

x=4

3. 1/2(2x+6)+x=1

x+3+x=1

2x+3=1

2x=-2

x=-1

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