Is there like a picture or something?
Answer:

Step-by-step explanation:

Hope this helps.
Step-by-step explanation:
By substitution method
6x+3(2x)=12
6x+6x =12
12x=12
x=1
y=2x
y=2*1
y=2
Answer:
m=-15
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable. m=-15
Answer:
The median is 6.
Step-by-step explanation: