exam
Maths Puzzle
Numerical Ability
Five and one half times x minus seven and one third equals nine and one half. what does this equal?
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exam Other Question
1. Passing through (-3,6) and (3,-2)
2. x-4 over x-2 > 0
3. x+5 over x-2 > 0
4. 1 over x+1 > 2 over x-1
the question says solve: 2X+6 (under a square root)- X-6(under a square root)=3
My teacher got X=15 but I can not figure out how he came to that conclusion, could you help me please?