-2*(4*k + 8) - 3*(5*k - 1)
-2*(4*k + 8) - 3*(5*k - 1) при k = 2
-2*(4*(2) + 8) - 3*(5*(2) - 1)
-2*(4*2 + 8) - 3*(5*2 - 1)
-59
-13 - 23*k
-13.0 - 23.0*k