Question

if a + b is equal to 5.b + C is equal to 10. C + a is equal to 13. find the values of a by b *(a + b)​

Answer 1

Answer:

a=6

b*(a+b)=-5

ans = -1.2

Step-by-step explanation:

a+b =5

b+c=10

c+a=13

a=5-b

c=10-b

5-b+10-b=13

15-2 b=13

-2 b=-2

b=-1