book
Maths Puzzle
Numerical Ability
5-3[4-(5 + 2)] - 9
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book Other Question
Write a system of two equations in two unknown. Solved by method of choice. I can't figure out how to pull out the data and set it up.
Book and magazines. At gwen's garage sale,
System of Equations with 3 variablies
4x – 5y – 5z = –24
–x – y + 3z = 13
5x + y + 4z = 11