Systems of Equations

Multi-Step Equations

100

88 = -8(x-4)+x

-8

200

104 = 4(3p+2)

8

300

76=7(-8-2n)-(1+5n)

-7

400

-25/12=5/4(n+5/3)-10/3(n+5/4)

0

Elimination

100

9x+6y=6

-9x-2y = -26

(4,-5)

200

10x+3y= -19

-x+3y = -8

(-1,-3)

300

-7x -4y =9

8x -2y= 16

(1, -4)

400

-5x -7y = -15

-9x - 10y = -27

(3, 0)

Substitution

100

y=6x-5

y = 3x+1

(2,7)

200

-5x +8y = -10

y = 7x +14

(-2,0)

300

-x +y = -1

-2x-8y=8

(0, -1)

400

6x +2y = -4

-3x +8y = -16

(0,-2)

Graphing

100

y=2x-3

y=-2x+1

(1, -1)

200

y = -2x-4

y= -2x+1

No Solution

300

-6=2x-2y

6+14x = -2y

(-1, 4)

400

1/4 x - 1/4y =1

-3+y = -6x

(1,-3)

Mystery Box???

100

(7-1)/(5-3)

3

200

2+6 - 11/6

37/6

300

sqrt(x/7)=8

448

400

(8n^5)/9 (7n)/(9n)

(56n^5)/81