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What is the correct solution of \(8-x<3\)?

Answer and explanation

Correct answer: \(x>5\)

The governing rule is that an inequality reverses direction when both sides are multiplied or divided by a negative number. Start with 8 − x < 3. Subtract 8 from both sides to obtain −x < −5. To isolate x, divide both sides by −1; because the divisor is negative, the sign reverses, giving x > 5. Hence option A is correct. A quick check confirms this: if x = 6, then 8 − 6 = 2 and 2 < 3. Option B results from forgetting the sign reversal. Options C and D incorrectly use 11, which can arise from adding instead of subtracting or mishandling the constant. The final solution contains every number greater than 5.

Related tags

Linear InequalitiesNegative CoefficientSign ReversalAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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