a equiletrel triangle its side is(6x+5y),(7x+3y+1)&2(x+6y-1)find the value of each side.

6x + 5y = 7x + 3y + 1 

-x + 2y -1 = 0

6x + 5y = 2x + 12y -2

4x- 7y +2 = 0

-4x + 8y -4 = 0

y -2 = 0

y = 2

x = 3

side 1 = 6x + 5y = 28

side 2 = 28

side 3 = 28