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100

Susie Q drives 12 miles every x minutes

12x

100

x = 2

4x

8

100

2 (x + 3)

2x + 6

100

2x + 5x

7x

100

2x + 2y - 8y + 78

2x - 6y + 78

200

Cost of x bananas and y apples

x + y

200

x = 7


12 - x

5

200

8 (y + 3 + x)

8y + 24 + 8x

200

10y - 3y

7y

200

-5 + y (2 + 4)

6y - 5

300

6 more than b

b + 6

300

y = 2.5

10 divided by y

4

300

5 (2 - y)

10 - 5y

300

-6x + 2x 

-4x

300

x + (x - y)

2x - 1y

400

3 less than x

x - 3

400

x = 1/2 

12 x

6

400

3 ( x - 3)

3x - 9

400

y + 4y + 3 + 6

5y + 9

400

a + b + c + d + e + f + 2c + 5f

a + b + 3c + d + e + 6f

500

8 times the sum of 4 plus x

8 (4 + x)

500

y = 5       x = 4


2yx

40

500
x (-3 - 2)

-3x - 2x

500

-7x + 3x - 4 + 8 

-4x + 4

500

4x - 10x + 36 + 12x - 12

6x + 14