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Maths Puzzle
Numerical Ability
2x+4y=10
3x-2y=-9
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(trying to understand my sons homework do not want him just getting the answers but I am lost )
how can I identify an inconsistent system when solving by subtitution?
i need help with this questions?
1. five divided by the difference of a number and 8 equals the quotient of 10 and then sum of the number and 12. find the number.
2. the rati