Answer:
20833.3
Step-by-step explanation:
The x value in the second equation (y+2) is substituted for the x in the first equation in...
Answer A.
Answer:
9m²-n²
Step-by-step explanation:
(3m+n)(3m-n)
This is so easy algebraic expression.
Just rewrite as,
Simplifying,
[Alternate method is there]
Answer:
x^2-4/7x-12/49=0
x= 6/7 and -2/7
Step-by-step explanation: