Question 1 • SC-Mathematics 6
Subtract 7 from both sides of p + 7 = 12 to isolate p. Since 7 − 7 = 0 and 12 − 7 = 5, the solution is p = 5. You can check it by substituting 5 for p: 5 + 7 = 12, so the equation is true.
AI-written and checked against the verified answer.