Equations

one step equations

100

solve x

6 + x = 10

x = 4

200

Solve for x 

-20 + x = 40

x = 60

300

solve for x 

-40 + x = 90

x = 130

400

solve for x 

10 + x =16 

x = 6

500

solve for x

-20 + x = -40

x = -60

two step equations

100

Solve for x

2x + 4 = 10

x = 3

200

solve for x

3x + 4 = 28

x = 8

300

solve for x 

20 - 5x = 60

x = -8

400

solve for x 

10 - x = 35

x = -25

500

solve for x

-40 + 8x = -8

x = 6

combine like terms

100

3x + 4 - x

2x + 4

200

3x - x +3 +4

2x + 7

300

-x +2y - 7x + 8 -3

-8x +2y +5

400

3x + 4y -3 -9 - 3x

4y - 12

500

-9x + 3y +- 5 +- 3x +- 3y + 20

-12x + 15

distribution

100

2(x +5) 

2x + 10

200

4(2x - 10)

8x - 40

300

-9( 4x - 8)

-36x + 72

400

-(3x + 10)

-3x -30

500

-6(-5x - 9)

30x + 54

factorization

100

extend 

2x + 8

2(x + 4)

200

extend 

20x - 40

10(2x - 4)

300

extend 

-10x + 20

-5(2x - 4)

400

extend 

-16x + 32

-8(2x - 4)

500

extend 

-36x + 81

-9(4x - 9)