Solving Equations

Combine Like Terms

100

3x-20x

-23x

200

14j+2+38-9j-12 

5j+28

300

-5b+7b-4+17b

19b-4

400

-2r+2r+4r-3+8

4r+5

500

6x+7y-2x 

7y+4x 

Distribute

100

8x-3(2x+5)= 13

x=14

200

-z(4-6)+20=3z 

z=-20

300

x+2(23x-4)=100 -7x

x=2

400

4-3+1=2d-(4)+10

d=-2

500

11(-2+4x)=88x

x=-11

True or False

100

A negative times a negative is a negative.

False 

200

To get rid of parenthesis you use distributive property. 

True 

300

The first step in solving an equation is to separate the number and the variable. 

False 

400

Is the answer correct?

5(1+4h) +2h = 27 

h= 1 

True 

500

Is this answer correct?

-2(8m+8)=-32 

m=-2

False

*Points for correct answer

1

DOUBLE JEOPARDY

100

Why did the Romans find algebra challenging?

Hint* Think about Roman numerals. 

Because x was always ten. 

200

1+1+1+(0) = x

x=3

300

When should you use your calculator?

Every time 

400

4x+(-2+3x) = 2x -7(2+x)

x=-2

500

What is my name?

Ms. Denham :)