Question

please answer this question​

Answer 1

Answer:

*=2.66 and ∆=3.65

Step-by-step explanation:

let *be a and ∆be b

a)5a=2b+6

b)2b=2a+6

c)3a+9=3b

i.e 3a=3b-9

subtract c from a

(5a=2b+6)-(3a=3b-9)

after solving

a=2.66

substitute a=2.66 in any of the equation (a or b or c)

then b=3.65

Therefore *=2.66, ∆=3.65 and •=3