Answer: 2x + 35
First off, do the distributive property. multiply 5 with x and 5 with 7. Your expression should look like this:
5x + 35 - 3x
Next, you combine like terms. Since you cannot combine 35 with 3x, combine 5x with 3x.
5x - 3x = 2x.
So in summary, the answer is 2x + 35.