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Adding variables
subtracting variables
Adding binomials
Subtracting Binomials
100

3x + 4x =

7x

100

18x - 6x =

12x

100

(2x + 2y) + (3x + 5y)

5x + 7y

100

(10x + 5y) - (6x + 2y) 

4x + 3y

200

5x + c =

6c

200

9p - 15p =

-6p

200

(3p - 12) + (6p + 20)

9p + 8

200

(2x + 8y) - (3x + 2y)

-x +6y

300

-3v + 2v =

v or 1v

300

x - 3x =

-2x

300

(-4x - 3y) + (5x - 2y)

x - 5y

300

(-2x - 3) - (5x + 6)

-7x - 9

400

6t + (-4t) =

2t

400

3y - (-5y) = 

8y

400

(-3x + 12) + (3x - 12)

0

400

(-2x + 12) - (4x + 2y)

-6x - 2y + 12

500

3x + (-9x) =

-6x

500

-4y - (-8y) =

4y

500

(5y - 4x) + (2y - 18)

-4x + 7y - 18

500

(-3x - 9y) - (2 - 3x)

-9y - 2