Systems of Equations

Solving Equations

100

Solve:

1=x-7

8

200

Solve:

12=3y

4

300

Are we ready for the test??

Yes.

400

2y-19=-21

-1

500

-4x-6=-3x-8

2

Solving Systems:Graphing

100

What is the solution to the system?

(-3, -3)

200

What is the solution to this system?

No solution

300

Find the solution by graphing:

(3,2)

400

Solve the system by graphing:

(-3,3)

500

Solve the system by graphing:

(-6,0)

Solving Systems:Substitution

100

solve by Equal Values Method:

y=-4x

y=x-5

(1,-4)

200

Solve by Equal Values Method:

y=9x-2

y=7x

(1,7)

300

y=-4x

2x-5y=44

(2,-8)

400

Solve by Substitution:

3x+y=20

x=-7y

(7,-1)

500

Solve by substitution:

y=4x-9

-7x-6y=-39

(3,3)

Solving Systems: Elimination

100

Solve using elimination

9x+4y=47

9x+y=32

(3,5)

200

-6x+4y=46

-6x-8y=34

(-7,1)

300

−8x+4y=−24

−7x+4y=−16

(8,10)

400

8x+2y=-2

4x-5y=-19

(-1,3)

500

4x−8y=16

8x-9y=39                                                                                                                                                       

(6,1)