Evaluate multi-step numerical expressions using order of operations, including grouping symbols and exponents.
Evaluate a layered expression
Problem
Evaluate \([18~-~(3~+~1)]~\times~2~+~5\).
Big Picture
What this problem is really about
This expression has nested grouping, so we’ll peel it from the inside out. First evaluate the parentheses, then finish the bracket, and treat that completed bracket value as one factor. After the multiplication, the remaining addition finishes the expression.
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