Algebra

Matching Like Terms

100

What like-terms match with each other?

3x, −5y, 12x, 2y
 

3x and 12

-5y  and 2y

200

What like-terms match with each other?

x², 2x, 5x, 4x²

x² and 4²

5x and 2x

300

What like-terms match with each other?

5xy, 5y, -7y, 3xy

5xy and 3xy

5y and -7y

400

What like-terms match with each other?

3y, -2y, 3x, 5c, -6x, 7c

3y and -2y

3x and -6x

5c and 7c

500

What like-terms match with each other?

5x²y, 3xy³, -4x²y, 7xy³

5x²y and -4x²y

3xy³ and 7xy³

Collecting Like Terms

100

Combine these like-terms.

5y+6-2y-2

3y+4

200

Combine these like-terms.

9x+5-2x+8

7x+13

300

Combine these like-terms.

-5x-3y+7x+2y

2x-1y

400

Combine these like-terms.

5x+4y-3y+8

5x+1y+8

500

Combine these like-terms.

5x²+7x-3x+4y-6y

5x²+4x-2y

Solve for x

100

Solve for x

x-28=-8

x = 20

200

Solve for x

4x = 20

x = 5

300

Solve for x

5x-4=36

x = 8

400

Solve for x

x ÷ 7 = 8

x = 56

500

Solve for x

x ÷ 4 = 16

x = 64