Home > ACC6 > Chapter 7 Unit 7 > Lesson CC1: 7.3.3 > Problem 7-111
Write the following number trick as an expression in two ways, one with parentheses and one without. For example,
Pick a number.
When writing the expression the first time, use parentheses to make sure the operations are carried out in the order written.
Then, simplify the expression by removing the parentheses to write an equivalent expression.