Library / /24 of 144
Algebra Difficulty 1.9 Junior Find the answer
If 61+31=x1, what is the value of x?
A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.
Solution
Simplifying, 61+31=61+62=63=21. Thus, x1=21 and so x=2.
Want a route through all this instead of an archive?
The track
puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.
Source: Omni-MATH,
licensed Apache-2.0.
Statement and solution reproduced as published; topic and difficulty added by this site.