I don't know which one you need. Both are given tho...
x+5/3 = 12
(x+5)/3 • 3 = 12 • 3
x + 5 = 36
x + 5 - 5 = 36 - 5
x = 31
or
x + (5/3) = 12
x + 5/3 - 5/3 = 12 - 5/3
x ≈ 10.34
