Question

A + b =c a + b + c = 36 given that a and b have the same value what is a,b and c

Answer 1

a is 9

b is 9

c is 18

Explanation:

Let's list the information provided

a + b =c

a + b + c = 36

a=b

Knowing that a=b we can replace b with a in the equations

a+a is the same as 2a since a is being doubled

2a=c

Knowing this we can replace c with 2a

2a+2a=36

Now solve for a

`2a+2a=36\\4a=36\\(4a)/(4) =(36)/(4) \\a=9`

Now let's sub this value of a into the equations to see what the other values are

a=b

9=b

2a=c

2(9)=c

18=c

Answer 2

a = 9 b = 9 c = 18

Explanation:

a+b = c

a+ b + c = 36 but we know a+b = c sub that in

c + c = 36

c = 18 now a + b = c and a and b are the same

so a and b are = 9