If you mean y= -3x*2.5 then yes, it's linear.
Answer:
y = 4 - 4x
Step-by-step explanation:
Step 1: Write equation
12x + 3y = 12
Step 2: Subtract 12x on both sides
3y = 12 - 12x
Step 3: Divide both sides by 3
y = 4 - 4x
Next week they will want to sell 40 tablets
Formula used: cos(x) = 
Hope this helped!
~Just a girl in love with Shawn Mendes
A)
p-5w=8L + 5w - 5w
p -5w=8L
(p- 5w)/8 = 8L/8
(p- 5w)/8 = L