Library / /94 of 297

, 2016

Algebra Difficulty 1.4 Junior Find the answer Canada

Multiplying $x$ by 10 gives the same result as adding 20 to $x$ . The value of $x$ is

Pick one

Solution

From the given information, $10x = x + 20$ .

Therefore, $9x = 20$ and so $x = \frac{20}{9}$ .

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.