Question 719560
Use the Distributive Property to expand 5(2x+10) = (5*2x)+(5*10) = 10x + 50.
Replace this with 5(2x+10) in the equation.

Now the equation reads

10x + 50 = 60
    - 50  -50
10x = 10
----------
10

x = 1

Hope this helped!
IceCream