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allochka39001 [22]
3 years ago
15

Can someone help me with these? And with work?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
6 0

Answer:

On #7.

Step-by-step explanation:

12(3+y)=5(2y+8)=

12y+36=10y+40=

12y-36=10y+40-36=

12y=10y+4=

12y-10y=4

2y=4

2y/2=4/2

y=2

AveGali [126]3 years ago
3 0
#5






2v+18=16-4(v+7)


2v+18=16-4v-28

2v+18=16-4v-28

6v+18=-12

6v=-30

V=5
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