Algebra 5
2 marks · NormalWrite down the solution set for the inequality .
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x<5
Also accept: {x|x<5}
Common mistakes: x>-5
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Marking points
M1 · 1 mark · Rearrange correctly: add 3 to both sides, so 2x<10. Then divide both sides by 2.
A1 · 1 mark · Final solution: x<5 (allow equivalent set notation).
Worked solution
2x-3<7
Add 3: 2x<10
Divide by 2: x<5