To solve this equation, we need to follow the order of operations (PEMDAS).

First, let's simplify the expression on the left side of the equation:
5x + 48 ÷ 4
5x + 12

Now let's simplify the expression on the right side of the equation:
20 ÷ 10 + 2 * 10
2 + 20
22

So the equation becomes:
5x + 12 = 22

Next, let's isolate x:
5x = 22 - 12
5x = 10
x = 10 / 5
x = 2

Therefore, the solution to the equation is x = 2.