GOING FROM AN EXPRESSION TO A SEQUENCE OF OPERATIONS

The expression $\,2x + 1\,$ represents the sequence of operations
take a number, multiply by $\,2\,$, then add $\,1\,$’.

The expression $\,2(x+1)\,$ represents the sequence of operations
take a number, add $\,1\,$, then multiply by $\,2\,$’.

Master the ideas from this section

When you're done practicing, move on to:
Solving Simple Sentences by Inspection

CONCEPT QUESTIONS EXERCISE: