Answer: 21 . . . . . .
Credit to the person below-
Answer:
3x - y = 1
Step-by-step explanation:
This will be the same equation written in a different way'
The original equation is:
y = 3x - 1
0 = 3x - y - 1
3x - y = 1.
Hey there!


When always adding or subtracting, you <em>always</em> have to <u>line up the decimal</u>.
When subtracting decimals with the same sign you <u>Line up the decimal</u>.
Hope this helps!
Answer:
r/4 units
Step-by-step explanation:
each side of a square is of the same length, perimeter is the sum of the 4 length, length of a side of square = r/4 units