How to map the field of a variable quantity

To map the field of a variable quantity, you will want to use a system of temporary reference points within the field. This way, you'll be able to move within the study area without losing your geographical references. You'll be able to map things like trees, allowing you to make repeated measurements and verify your data.

(4,-2)

explanation:

6x+4y=16

-6x-9y=-6

-5y=10

y=-2

x=4

you would travel west