You can put this solution on YOUR website! First, add what is in the parenthesis.
(10+5)= 15
Second, fill in 15 in the equation where (10+5) was.
[2*15]-5
Third, multiply 2*15.
2*15=30
Fourth, fill in 30 where [2*15} was.
30-5
Last, subtract 5 from 30.
30-5=25
Then you have your answer.