Variables

Variables

100

What is a variable?

letter that replaces a number

200

What does substitute mean?

Take the place of

300

Fill in the blank. When we solve for variables, what does this mean 6b?

multiplication 6*b

400

100 + -8y  

y=9

28

500

How many variables are in this problem? Combine like terms to answer.

3x+ 5y -2x + 3m -z

4

Substitution

100

2 + w 

w = 6

8

200

-12 - m 

m = 3

-15

300

6R 

R = -10

-60

400

p / 5  

p = 35

7

500

2 + g - 4 

g = 12

10

Solve for the Variable

100

5 + m - 2   

m=2

5

200

m² - 4   

m=8

60

300

- 34 + 18/q     q=6 

-31

400

3m+5= 20

Solve for m

m= 5

500

-24/3 + 88(-1)   

-96

Distributive Property

100

5(x - 12)

5x-60

200

-7(m - 11)

-7m + 77

300

12(t - 4)

12t - 48

400

-13(3m - 7n)

-39m - 91n

500

Solve for r

5 (r+2) = 15

r=1

Mix -Up

100

19a - 6b - 17a - 3b + 9b - 2a

0

200

8a + 15a + a + 9

24a + 9

300

What are the coefficients ? 

8x + 9x + 3y - 5y

8, 9, 3, -5

400

absolute power of /-2/

2

500

Solve for x.

3x+4 =2x+6

x=2