Math, asked by irai69952, 1 month ago

(J3)a+b =9

(J2 )a-b=32

2a+b = ?

Answers

Answered by ajb7899

1

Answer:

On adding equations :-

a + b + a - b = 9 +32

2a = 41

On subtracting the equations

a+b -a + b = 9-32

2b = -23

b = - 11.5

Hence ,

2a + b = 41 - 11.5 = 29.5

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