Answer:
D
Step-by-step explanation:
Because they are opposite of each other
You gotta combine like terms which would be 9x and 12x which gives you 21x .
Answer:
x
≤
13
Step-by-step explanation:
hope this helps
30 because 18 and the plain goes into 12 which is 30
I think
Answer:
y=16(x)+7(y)
y=16 + 7
y=23
im not sure bc is nt info but i think i this
Step-by-step explanation:
