Basic Algebra

Combine Like Terms

100

4 + x + 4 + x + 4

2x + 12

200

3x - 2 + 7x + 7 - 3

10x + 2

300

13x - 2y + 4 - 20x - 10

-7x -2y -6

400

-20x + 3y - 10x + 8y

-30x + 11y

500

4x - x + 2x - 7y - 10x + 2x

-3x -7y

Solve for X Add/Subtract

100

x + 5 = 12

7

200

12 + x = 19

7

300

4 + x + 16 = 22

2

400

-18.1 + x = 30.8

48.9

500

x + 2/6 = 1/3

0

Solve for X Mult/Div

100

3x + 5 = 26

7

200

x/4 - 7 = 4

44

300

7x - 3x + 5 = 33

7

400

6x - 5 = 31

6

500

-x/3 - 1 = -2

3

Writing Expressions

100

x reduced by 6

x - 6

200

The product of x and 6

6x

300

The quotient of p and 4

p/4

400

4 less than x

x - 4

500

Five times x increased by 7

5x + 7

Substitution

100

Solve 4x + 3 if x = 10

43

200

Solve x + y - 10 if x = 4 and y = 12

6

300

Solve 3x + 5y - 6 if x = 1/3 and y = 1/5

-4

400

I am traveling seven miles, it cost me x=$5 per mile, what is my total cost for my trip?

$35

500

Solve x squared combined with the product of two and x if x=4

24