## Algebra: A Combined Approach (4th Edition)

a. $x+3$ b. $3x$ c. $7.3 \div x$ d. $10-x$ e. $5x+7$
a. Sum is adding two numbers together. $x+3$ b. Product is multiplying two numbers together. $3x$ c. Quotient is dividing a number by another number. $7.3 \div x$ d. 10 decreased by a number means subtracting a number from 10. $10-x$ e. $5x+7$