Answer: 3^5 / 3^(-2) = 3^(3)
Answer:
x=1 y=3
Step-by-step explanation:
3x+y=6 is the same as y=6-3x
2x-y=-1 is the same as y=2x+1
set them equal to each other
6-3x=2x+1
5x=5
x=1
substitute the value of x into either equation
y=2(1) +1
y=3
50,779/590 is 90.7125 but rounded to 90.71
Don't know if it's right, but do let me know! use percentage to visualise your workings. :)
Adding 4 to both side is wrong he has to be subtract 4 to both side