Let's Review (9/15/21)

One and Two-Step Operations

100

Solve: -4x=16

x=-4

200

Solve: 7-x=22

x=-15

300

Solve: -7+ n/2= -5

n= 4

400

Solve: 68=8v-4

9

500

-3=(8+x)/4 

REWRITE ON BOARD

x=-20

Solving for y

100

Solve: 3x+y=9

y=-3x+9

200

Solve: -y-x=-2

y= -x+2

300

Solve: -8x+2y=12

y=4x+6

400

Solve: 4x-8y=-8

y= 1/2x +1

500

Solve: -20x-y=40

y=-20x-40

Simplifying Expressions

100

4n+8n

12n

200

-8x+11x+1

3x+1

300

-5+7n+1-13n

-6n-4

400

-x+y+6x-3y+3

5x-2y+3

500

-7+7y-7x+7-y+x+7-8y

-2y-6x+7

Simplifying Pt II

100

-(r+92)

-r-92

200

-3(5+2m)

-15-6m

300

7(8x-8)-7x

49x-56

400

-4=4(-2x+9)

x=5

500

4(x-3) -2(4+6x)=36

x=-7

Uh Oh

100

Solve this proportion: 6/3=x/10

x=20

200

Solve this proportion: (x+2)/6=12/8

x=7

300

Solve: -6(n+5) +6n= -7n+6(-5+8n)

n=0

400

The scale of a map of Fox Lake is 3 inches= 7 miles. The distance between GCHS and Antioch Pizza is 2.6 inches. What is the distance in real life?

6.06 miles away

500

-20-6v=-6(v+2)

No Solution