90-n=3n
90=4n
22.5=n
Final answer 22.5
Option A: -4/9x-4 is the correct answer
What Does The Jar Look Like?
Answer:
x = -12
Step-by-step explanation:
Remember that ax + bx = (a+b)x
-10x + 9x = 12
Add -10x and 9x together
(-10 + 9)x = 12
-x = 12 (-1x is written as -x, just as 1x is written as x)
÷ -1 both sides
x = -12
I hope this helps. Happy studying. :)