Question

15y+1=20y-1 qual resultado

Answer 1

15y + 1 = 20y - 1
1 + 1 = 20y - 15y
2 = 5y
5y = 2
y = 2/5

Answer 2

15 y + 1 = 20 y - 1
15 y -20 y = -1 - 1
-5 y  = -2
y = -2/-5
y = + 2/5