yasarhan2 yasarhan2

18-03-2020
Mathematics

contestada

a+b+c=28

c+b=20

c+a=22

what are a, b and c?

Respuesta :

Officialalehpeter Officialalehpeter

18-03-2020

Answer:

A=8

B=6

C=14

Step-by-step explanation:

A+b+c=28

c+b=20

Substitute c+b for 20

A+20=28

A=28-20

A=8

c+a=22

Substitute a with 8

c+8=22

c=22-8

c=14

To get b, we substitute a with 8 and b with 14

A+b+c=28

8+b+14=28

22+b=28

b=28-22

b=6

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