3(5+2x)+4 x=1455

To solve the equation, we will substitute the value of x into the equation and simplify:

3(5 + 2(1455)) + 4 = 3(5 + 2910) + 4 = 3(2915) + 4 = 8745 + 4 = 8749

So, the solution to the equation 3(5+2x) + 4, when x equals 1455, is 8749.