exam Maths Puzzle Numerical Ability

hi tutor can you please help me solve this problem like show me the steps and than its solution thank you.

xy-5y-2x+10=

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7x+12>5x+4 In parallelogram LMNO, an exterior angle at vertex O measures 72 degrees. Find the measure, in degrees, of L. First I made a diagram of a parallelogram and label LMNO. I have no id