(5x)° (3x+28°) what is the value of x

To find the value of x, we set up and solve the equation:

5x + 3x + 28 = 180

Combine like terms:

8x + 28 = 180

Subtract 28 from both sides:

8x = 152

Divide by 8:

x = 19

Therefore, the value of x is 19.