p + 7 = 12 Subtract 7 from both sides of the equation. Subtract 7 from 7. 7 - 7 = 0 and 12 - 7 = 5, so p = 5. Substitute 12 for p to check the solution. Substitute 5 for p to check the solution.
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Home » Mathematics » p + 7 = 12 Subtract 7 from both sides of the equation. Subtract 7 from 7. 7 - 7 = 0 and 12 - 7 = 5, so p = 5. Substitute 12 for p to check the solution. Substitute 5 for p to check the solution.