book Maths Puzzle Numerical Ability

How do you solve 2[y-4(y=3)]-6(y-1) When y=5

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I need to find the equations to answer two questions.

A speeding car is travelling at x km/h. A police car in pursuit of the speeder is travelling at y km/h where y>x. If the po
If 5 is added to the sum of two consecutive integers, the result is three less than twice the larger integer. Find the integers.


I keep getting 8