Systems of Equations

Addition

100

Solve by Combination

2x-y=6

3x+y=4

(2,-2)

200

Solve by Combination

x+2y=7

3x-2y=-3

(1,3)

300

Solve by Combination

3x+y=8

x-y=4

(3,-1)

400

Solve by Combination

-4x+3y=5

4x+y=7

(1,3)

500

Solve by Combination

8x-3y=1

-8x+5y=9

(2,5)

Multiplication

100

Solve by Combination

3x+y=20

x+y=12

(4,8)

200

Solve by Combination

5x+7y=77

5x+3y=53

(7,6)

300

Solve by Combination

2x+y=3

4x+y=1

(-1,5)

400

Solve by Combination

2x+5y=-1

x+2y=0

(2,-1)

500

Solve by Combination

4x-y=6

3x+2y=21

(3,6)

y=y

100

Solve by Substitution

y=x+3

y=-2x+3

(0,3)

200

Solve by Substitution

y=22x+4

y=14x+8

(3,70)

300

Solve by Substitution

y=9x-6

-7x+y=4

(5,39)

400

Solve by Substitution

y=1/2x

-2x+y=3

(-2,-1)

500

Solve using Substitution

y=x-50

x+2y=200

(100,50)

Slope Intercept & Standard Form

100

Write in Slope Intercept Form

2x+y=5

y=-2x+5

200

Write in standard form

y=7x-2

7x-y=2

300

Write in Slope Intercept Form

4x-y=-1

y=4x+1

400

Write in Slope Interecept Form

8x+2y-4=0

y=-4x+2

500

Write in Standard Form

y=-1/2x-4

x+2y=-8