adding integers
solving for x
multiplying integers
combining like terms
Mystery
100

2+5

7

100

x+7=13

x=6

100

3(3x + 4)

9x + 12

100

3x +5 -12x + 4

-9x +9

100

325/25 + -100

-87

200

22-23

-1

200

x-6=11

x=17

200

5/2(2x + 4)=

5x + 10

200

5x + -4x + -2=

-1x - 2

200
Write a number statement:

2 times a number + 3 times a number equals 75

2x + 3x = 75

300

-44-32

-76

300

Write the expression:

5 less than 2 times x

2x-5

300

30(-2)=5x

x=-12

300

4x +5x+ 2 + -4

9x - 2

300

What is the GCF for the following:

32, 16, 8

8

400

-100 + -50

-150

400

Solve:

1/2x + 6=10

x=8

400

300x(1/25)=-12

x=-1

400

2/3x + 1/3x -1=

0

400

18x -(19 + 24x)

-6x - 19

500

-3+-5+3+5

0

500

3/4x + 2/3x = 

17/12

500

-2(2)(-1)=x

x=4

500

-(88x +78) -2(3x + 5)

-94x + 68

500

Distribute:

2/3(d-3)

2/3d - 2

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