1 and 2 Step Equations Review

1-Step

100

x-2=4

x=6

CHECK: 6-2=4

200

X-4= -7

X=-3 

CHECK! -3-4=-7

300

-10x=-20

x=2

CHECK:-10(2)=-20

400

-3k=27

k=-9

CHECK:-3(-9)=27

500

-p/2 = 3

p=-6

CHECK: -(-6)/2=3

2-Step

100

2x+1=5

x=2

CHECK: 2(2)+1=5

200

37=5+8b

b=4

CHECK: 5+8(4)=5+32=37

300

67=11n+1

n=6

CHECK: 11(6)+1 = 66+1=67

400

r/2 + 5 = 10

r=10

CHECK: 10/2 + 5 = 5+5 = 10

500

j/3 + 7= -5

j=-36

CHECK: -36/3 + 7 = -12+7 = -5

Random

100

What is the inverse of multiplication?

Division

200

-5-5

-10

300

What's Step 1 of solving 2-step equations?

Add/subtract to isolate the x term

400

What is Step 2 of solving 2-step equations?

Multiply/divide to isolate x

500

-10 - (-3)

-7

Mixed

100

-2x=4

x=-2

CHECK: -2(-2)=4

200

7x - 1 = 6

x=1

CHECK: 7(1)-1 = 6

300

-9x - 4 = 14

x=-2

CHECK: -9(-2)-4 = 18-4 = 14

400

-k/3 + 4 = 6

k=-6

CHECK: -(-6)/3 + 4 = 6

500

2(x+1)=4

x=1

CHECK: 2(1+1)=2(2)=4