IM1 Unit 1 Test 1: Solving Equations

Solving with variables on Both Sides

100

5x+7=3x-11

x=-9

200

-2x+4=3x-7

x=11/5 or2.2

300

2(x-4)=2x-8

Many solutions

400

-3(x+1)=6x+12

x=-5/3 or -1.67

Solving 1-Step Multiply/Divide

100

-7x=28

x = -4

200

1/5x=-4

x=-20

300

-36=-3x

x = 12

400

2/5x=-6

x = -15

Solving 2-Step (Neat)

100

2x+5=19

X = 7

200

x/4-3=-10

x=-28

300

1/9x+3=3

x = 0

400

27=15-4x

x = -3

Solving 2-Step (Messy)

100

4x-6=-17

x = -2.75 or 

x=-2 3/4

200

5x+19=-3

x = -4.4 or 

-4 2/5

300

-7x+3=-2

x=5/7

400

5/2x-1=3

x=1.6 or 

x=1 3/5

Solving with Distribution

100

5(x-3)=5

x=4

200

21=-3(x-9)

x=2

300

1/5(-5x+25)=1

x=4

400

3/4(-x+8)=-3

x = 12