|4(5) + (10 - 4) ÷ 2 - 30|

Help please, I don't get this problem.

2 answers

Just work your way inside out, doing parens first.
|4(5) + (10 - 4) ÷ 2 - 30|
|20 + 6 ÷ 2 - 30|
|20 + 3 - 30|
|23 - 30|
|-7|
7
Thank you