Question

if 3a+2b+c=22 ,b+c=8,c=6 what is the value of a+b+c?​

Answer 1

Answer:

4+2+6=12

Step-by-step explanation:

you can get the answer by substitution method

Answer 2

Answer:

12

Step-by-step explanation:

3a+2b+c=22, b+c=8, c=6

b+c=8

b+(6)=8

b=8–6

b=2

3a+2b+c=22

3a+2(2)+(6)=22

3a+4+6=22

3a=22–6–4

3a=12

a=12/3

a=4

a=4, b=2, c=6

a+b+c=

4+2+6=12