1

n + 0 = 12

n =
 

21

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

  2 of 30

Algebra 1  

 

 

n-3=2

n+5=7

2n+3=n+5

3n-5=3-n

How Many

5

10

20

30

50