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Pattern Rule
What is the 5th term?
Find the variable
Isolate the variable
Guess & Test Method
100

8n + 5

Start at 5 and add 8 each time

100

3v +2

17

100

w-14=102

w=116

100

4t-8+16

t=6

100

5r-10 = 95

r=21

200

4n+ 10

Start at 10 and add 4 each time

200

4x-11

5

200

11+x =75

x=64

200

5r-10=95

r=21

200

3m=333

m=111

300

4p +1

Start at 1 and add 4 each time

300

x+4

9

300

5+7c =89

c=12
300

6 + 3n=27

n=7

300

y+5=12

y=7

400

2m +3 

Start at 3 and add 2 each time

400

24+12x

72

400

8k-15=200

k=27

400

2n+3=19

n=8

400

9w=153

w=17

500

4 + 2k

Start at 4 and add 2 each time

500

8-p

3

500

525-6u=339

u=31

500

15x=150

x=10

500

2m+3=5

m=1