To answer this question, we can follow the next steps:
1. Subtract 17 to both sides of the equation (we apply here the subtraction property of equality):
2. To isolate the variable, x, in the equation, we need to divide by 5 to both sides of the equation, as follows:
We can check this result if we substitute this last value into the original equation:
The result is always TRUE.
Therefore, the value for the unknown value of x is x = 13.