Answer: (n+1)squared up 2 -1
Step-by-step explanation:
Answer:
31/20
You need to plug in x as y-3.
so instead of 10x+10y=1 it is 10(y-3)+10y=1
Then just simplify the equation to find the value of y
Symbolab
cymath
I use those two I don't know if I'll help you
£130
200 x 1 = 200
200 x 0. 65 = £130