Solve for x: 3x + 7 = 22.

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Multiple Choice

Solve for x: 3x + 7 = 22.

Explanation:
To solve this, isolate the variable using inverse operations. Subtract 7 from both sides to remove the constant term: 3x = 15. Then divide both sides by 3 to get x = 5. This value makes the left side 3(5) + 7 = 15 + 7 = 22, so it satisfies the equation. Checking the other options shows they don’t work: 4 gives 3(4) + 7 = 19, 6 gives 25, and 7 gives 28, none equal to 22.

To solve this, isolate the variable using inverse operations. Subtract 7 from both sides to remove the constant term: 3x = 15. Then divide both sides by 3 to get x = 5. This value makes the left side 3(5) + 7 = 15 + 7 = 22, so it satisfies the equation. Checking the other options shows they don’t work: 4 gives 3(4) + 7 = 19, 6 gives 25, and 7 gives 28, none equal to 22.

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