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Maths Puzzle
Numerical Ability
7x-20= 6y
-4x-2y= -44
solve the system
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book Other Question
3x+8+4x-x=26
2. Jon spent 3/5 of the money he earned on school uniforms and 1/6 in school supplies. What part of his money was spent in all?
How do we add fractions with different denomina