Maths Olympiad Prep

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, 2021

Algebra Difficulty 1.1 Junior Find the answer Canada

If 3x+4=x+23x + 4 = x + 2, the value of xx is

Pick one

Solution

If 3x+4=x+23x+4 = x+2, then 3xx=243x - x = 2 - 4 and so 2x=22x = -2, which gives x=1x = -1.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.