Respuesta :

Use order of operations (PEMDAS) 
83-(59-(22-18))
83-(59-4)
83-55=28

Final answer: 28 
The value of the equation is 28 because you would do the parenthesis in the brackets first which is 22-18 then you would subtract 59-4. Lastly you would subtract 83-55 which will give you 28