Solve for x: x + 7 = 15.

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Prepare for the GMAS 6th Grade Mathematics Test with guided quizzes. Study using flashcards and multiple-choice questions with detailed hints. Succeed in your math exam!

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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