exam Maths Puzzle Numerical Ability

Twice the sum of a number and 5 is equal to three times the difference of the number and 6. Can you help me find the number?

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exam Other Question

It was found that 60% of American victims of health care fraud are senior citizens. If 10 victims are randomly selected, find the probability that exactly 3 are senior citizens. Find the equation of the linear fucntion in standard form whose graph passes through (1,-4) and its perpendicular to the line whoes x-intercept is 3 and y-intercept is -2.