Do you mean checking your work? In that case it would be 9*20.
There it is in the image. Hope it helps. You don't need the negative y- axis.
X = shorter piece
y = longer piece = 5x
shorter piece + longer piece = 60
x + 5x = 60
6x = 60
x = 60/6
x = 10 in. <== shorter piece
y = 5x
y = 5(10)
y = 50 in. <== longer piece
Answer:
terms- + -
variables- x p
coefficent-7 3
constant- 9
Step-by-step explanation:


you can check in your calculator.
anyhow, to get the "recurring decimal to fraction", you start by setting to some variable, "x" in this case, then move the repeating part to the left of the point by multiplying it by some power of 10, and then do the equating.