book Maths Puzzle Numerical Ability

Hi Tutors:

I undersand Absolute Value quite well, however I need some help with this problem. Can someone please help me understand this one. Thanks
2|2x-7|+11=25 Do I use the

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book Other Question

Graphing equations: Graph Using a table of values
A) x+y=5
B) y= -x+3 I need to draw an ellipse and show how to calculate and find an ellipse the has a diameter of 3.1 cm and has a slope of 0.6:1 please show me how to solve this problem i don;t under