Adding & Subtracting Method

Level 1

100

Solve using elimination:

–6x − 8y = –4

–7x − 8y = –14

(10,-7)

200

Solve using elimination:

5x + 2y = 17

5x − 2y = 13

(3,1)

300

What is the name of one of Ms. Marinor's dogs

Oreo or Zepplin

400

Solve using elimination.

4x − 3y = 5
–4x + 4y = –12

(-4,-7)

Level 2

100

Solve using elimination.

–5x − 2y = –1

5x + 3y = –6

(3,-7)

200

Solve using elimination.

–5x + 3y = –10

3x + 3y = –18

(-1,-5)

300

What year did Ms. Marinor win her basketball CIF Championship? 

2016

400

Solve using elimination.

x + 2y = 11

–x + 10y = 13

(7,2)

Level 3

100

Solve using elimination.

5x + 7y = –10

2x − y = 15

(5,-5)

200

Solve using elimination.

–x + 10y = 13

4x − 5y = 18

(7,2)

300

What are the names of Ms. Marinor's two medzmama's?

Mari and Nora

400

Solve using elimination.

2x − 8y = 6

–10x + 7y = 3

(-1,-1)