A/b = 2a-b = 8Maka a+b​

a/b = 2

a = 2b

• a – 2b = 0 (persamaan 1)
• a – b = 8 (persamaan 2)

Eliminasi a :

a – 2b = 0

a – b = 8

__________-

-b = -8

b = 8

Substitusi b = 8 ke persamaan 2 :

a – b = 8

a – 8 = 8

a = 8 + 8

a = 16

Maka nilai dari a + b yaitu

16 + 8 = 24