Jason would has 66 coins in his piggy bank because 31+26+29=86-20=66 Hope I could help!!
I can’t see the pic more can u edit it ms make it more bigger lol
X*y=72
x = 5y-2
x=72/y
72/y=5y-2
72=5y^2-2y
5y^2 -2y - 72 = 0
(5y+18)(y-4)=0
y = -18/5 discard
or y = 4
4x=72
x=18
(18,4)


side note: multiplying by the LCD of both sides is just to get rid of the denominators
True
It won’t be a Prefect Triangle but it still is one
(sorry my drawing is bad)