Simplify -4(n+9) A) -4n-36 B)-4n+9 C)-4n-9
1 answer:
You might be interested in
Answer:(x,y)=(2.5,1)
Step-by-step explanation:
Given
thus on comparing
2x+y=6------1
On comparing exponent of 2
------2
we get x=2.5
substitute x in 1
y=1
(x,y)=(2.5,1)