Maths Olympiad Prep

Library / /11 of 310

, 2012

Algebra Difficulty 1.1 Junior Find the answer Canada

If 35+7=6x3-5+7=6-x, then xx equals

Pick one

Solution

Simplifying the left side of the equation, we obtain 5=6x5 = 6-x.

Therefore, x=65=1x = 6-5 =1.

Want a route through all this instead of an archive? The track puts 2,444 problems in a working order, from Junior Challenge level to the IMO shortlist.

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