Maths Puzzle Examples and Walkthroughs
- 4s Challenge
- ALPHAMETIC
- ARITH-maze
- ARITHMAGON (addition)
- Can-U-Figure-It-Out
- CHINESE Multiplication
- CIRCLE-sums
- DARTS Challenge
- EGYPTIAN Arithmetic
- EQUATE+0,+1,+2 &+3
- EQUATE-sums
- EQUATE-takeaways
- EQUATE-times
- Fractions, Decimals & %'s Challenge
- MIND-Xpanders
- Petite CIRCLE-sums
- POLYGON Challenge
- PRIME NUMBERS Challenge
- RELATIONAL
- ROMAN Arithmetic
- SAFETY Code
- Scientific-Engineering Notations
- SQUARE-sums
- SQUARE-up
- STAR-sums
- SUM-IT
- SUM-IT '4-sided' Pyramid
- X-sums
u-can-do
EQUATE+ walkthrough
by G R Burgin
The Puzzle
This puzzle is an example of an "Equate+2" puzzle, where 2 of the 9 unknowns are provided. Letters (B, C, D, E, F, G and H) have been inserted in the original puzzle example, so that the unknown values can be determined.
The Solution
We can write the following 7 equations for this puzzle.
The equations and unknown values can be solved as follows:
As we go, we can eliminate and confirm the possible solutions into this table:
Giving us the final solution:
Contact: mathspuzzles@gordonburgin.com
© G R Burgin 2009