Find x if: Tan (2x+15)= 1

Rumus = alpha + k.180
Tan 2x + 15 = tan 45
Tan 2x = 45 - 15 + k.180
Tan2x = 30 + k.180
Tan x = 15 + k 90
K = 0 = 15
K = 1 = 105
K = 2 = 195
K = 3 = 285
(15, 105, 195, 285)