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Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 4 Lesson 4 P TE^

Homework

Unit 4 · Lesson 4: Two-Step Equations

Objective: I will solve two-step equations by collecting like terms and using inverse operations.

Vocabulary Steps:

Expression Equation Variable

ퟓퟓퟓퟓ풙풙ퟓퟓ−ퟗퟗ풙풙+ퟑퟑퟑퟑ=ퟕퟕ풎풎+ퟖퟖퟓퟓ

Term Coefficient Constant

Inverse Operations: operations that undo each

other

Addition Subtraction

Multiplication Division

Additive Inverse: a number and its opposite

whose sum is 0; also called a zero pair

Multiplicative Inverse: a number and its

reciprocal whose product is 1

− 5 ⋅

1

− 5

= 1

Number Multiplicative Inverse

4n = 12

4 푛푛

4

=

12

4

n = 3

1. Collect like terms, if necessary.


2. Move all terms with variables to one side.


3. Move all constants to the other side.


4. Solve for the variable using inverse
   operations.

Name: ___

Date: ___