lakenomnom
lakenomnom lakenomnom
  • 11-02-2022
  • Mathematics
contestada

7b - 15 = 5b - 3




5c + 16.5 = 13.5 + 10c




20 + 3y = 10 - 2y




17 + 4h + 2 = 1 - 5h

Respuesta :

Аноним Аноним
  • 11-02-2022

1. 7b-15=5b-3

move 5b and 15

7b - 5b = -3 + 15

2b=12

b=6

2. 5c + 16.5 = 13.5 + 10c

5c=3

c=3/5

3. 20 + 3y = 10 - 2y

-5y=10

y=-2

4. 17 + 4h + 2 = 1 - 5h

19 + 4h = 1 - 5h

-9h=18

h=-2

Answer Link
billybob6085 billybob6085
  • 11-02-2022
1. b=6
2. c=3/5
3. y=-2
4.h=2
Answer Link

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