Chapter 4, Lesson 14


4-14.A perform operations with signed decimals
Evaluate each expression.
a.
3.2 + 5(—1.8) b.

4-14.B understand how to solve two-step equations
Which procedure should be used to solve the equation 7 = 5 + 2x?
(a) Add 5 + 2 and then divide each side by 7.
(b) Add 5 to each side and then divide each side by 2.
(c) Divide each side 2 and then add 5 to each side.
(d) Subtract 5 from each side and then divide each side by 2.