Multistep Equations
Distributive Property
Combining Like Terms
Two-Step Equations
Multistep Equations
100

−8(−8x − 6) = −6x − 22

x=-1

100

What is the term being distributed in 3(x -4)?

3

100
Which terms in this expression could be combined with 3x?


2x + 9y -10 + x - 8c

2x and x 
100
Solve:


3x - 4 = 8

x = 4
100
What would you do first to solve this?


3(3x + 4) - 9 = 27

Distribute 
200

−5(4x − 2) = −2(3 + 6x)

x=2

200
Which operation do you perform when using distributive property? 
Multiplication 
200
What does the word combine mean?
to add together 
200
What operation would you use to UNDO x/7


multiplication 
200

Solve: 


3x + 9x - 4x + 9 = 33 

x= 3

300

5(2x + 6) = −4(−5 − 2x) + 3x

x=10

300
Distribute: 


-x(3 + 4) 

-3x -4x 
300
Combine -y and - 10y
-11y
300
Solve:


-4y + 10 = 26 

y = -4 
300

What does DCMAM stand for?

1. Distribute

2. Combine like terms

3. Move variable to one side

4. Add or subtract to isolate variable term

5. Multiply or divide to isolate variable

400

−6(1 − 5v) = 54

v=2

400

distribute

 3(x -4) 

3x-12

400

Combine Like Terms


3x+4-2x-x+1

5
400

Which operation would you do first, when trying to solve this for x?


4+3x=10

subtract 4 from both sides

400
What is the goal of solving a multistep equation? 
To isolate the variable 
500

−11 − 5a = 6(5a + 4)

a=-1

500
Distribute: 


-2x(4 + 3) -3(x - 5)

-8x -6x -3x +15
500
Combine: 


3x - 4y + x -4x + 7y 

3y 
500
Solve:


2/3x + 4 = 10

x = 9 
500

Solve:


3/4x + 3/2x - 4 = 5

x = 4