Question: what is x how to solve?
Answer: Start Simple: Solve for x Start with a simple equation. ... Subtract 2 from both sides: 2 - 2 + x = 7 - 2. Now simplify the equation by doing the math: 2-2+x=7-2=0+x=5, or x = 5. Check your work by substituting the answer, 5, into the equation for x.