Algebraic Models: Solving Equations (Algebraic and Literal)

Elizabeth earns $400 per week plus an addition $20 for each new customer. Let c represent the number of new customers Elizabeth signs-up, and let m represent how much she earns. Which equation represents the relationship?

Write the statement as a variable expression.

the difference of four and a number

• -7

• 8

• 7

• -8

• 200

• -200

• 29

• -29

• -19

• 19