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Maths Puzzle
Numerical Ability
If the product of 5 and a number is increased by 4, the result is 19. What is the number?
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write a system of two equations in tow unknowns for each problem.
At Gween's garage sale, all books were one price, and all magazines were another price. Harriet bought four boo
Hello! I posted this problem before, but nobody solved it. I'm really having trouble with this. Please help!
x + 2y + 16z = 20
3x + 6y - z = 23
4x + 8y + 2z = 18
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