Answer: 1-2.3=5
Explanation:
It really depends on what y or x is but if x was 3 and y was 1 and you follow pemdas p=parenthesis e= exponent d= division a= addition s= subtraction follow that pattern and what every comes first solve it but remember what ever comes first for multiplication or division solve it same with addition and subtraction but again really depends on what y and x are hope this helps.