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Numerical Inequalities · Question 36 of 79

Question 36

EasyOriginal question

Solve 3x−7>53x - 7 > 5.

Options for question 36

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. Add 7 to both sides: 3x>123x > 12.

  2. Divide by the positive number 3, which keeps the direction: x>4x > 4.

Worth noting

x>−23x > -\frac{2}{3} subtracts 7 from 5 instead of adding it: 3x>−23x > -2.

Concept
A linear inequation
Typical time
60 s
Your time
—
The rule this testsSolving inequations
Practise this chapter →

Ten questions from Numerical Inequalities, at your own pace.

Practise this chapter →

Ten questions from Numerical Inequalities, at your own pace.