Solve for x: 5x + 3 = 38.

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Multiple Choice

Solve for x: 5x + 3 = 38.

Explanation:
Solving a linear equation means undoing the operations on x to isolate it. From 5x + 3 = 38, subtract 3 from both sides to get 5x = 35. Then divide both sides by 5 to obtain x = 7. Check by plugging back: 5×7 + 3 = 35 + 3 = 38, which matches. The other nearby values wouldn’t make the left side equal 38 when substituted, so 7 is the correct solution.

Solving a linear equation means undoing the operations on x to isolate it. From 5x + 3 = 38, subtract 3 from both sides to get 5x = 35. Then divide both sides by 5 to obtain x = 7. Check by plugging back: 5×7 + 3 = 35 + 3 = 38, which matches. The other nearby values wouldn’t make the left side equal 38 when substituted, so 7 is the correct solution.

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