Distribute the 7 to 7x and -5
You'll get 49x - 35 + 13x
Combine like terms
49x+13x = 62x
62x - 35 (this is the simplified version)
If the problem is asking to find x then you bring 35 to the other side
It'll be 62x = 35
Divide 62 from both sides
x = 62/35