Solve for x: x + 7 = 15.

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Multiple Choice

Solve for x: x + 7 = 15.

Explanation:
To find x, undo the addition by subtracting 7 from both sides. On the left, x + 7 becomes x. On the right, 15 − 7 is 8. So x = 8. Check: 8 + 7 = 15, which matches the original equation. If you try other values like 7, 9, or 6, you’d get results that aren’t 15, so they don’t work.

To find x, undo the addition by subtracting 7 from both sides. On the left, x + 7 becomes x. On the right, 15 − 7 is 8. So x = 8.

Check: 8 + 7 = 15, which matches the original equation. If you try other values like 7, 9, or 6, you’d get results that aren’t 15, so they don’t work.

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